It seems like all Hills star, Kristin Cavallari cares about is drama and boys, but it looks like she’s a bit deeper.

Last month, she left the Hollywood Hills to do some charity work in El Salvador.

“Going to El Salvador was such an incredible experience,” Kristin, who traveled to the Central American country on Jan. 14, tells Usmagazine.com. The MTV star helped spruce up a local school with murals and played with the students.

“It really put everything into perspective and made me appreciate everything I have,” Kristin continued. “Seeing how happy and excited the kids were was the best feeling in the world.”

Later this year, after filming the sixth season of The Hills, Kristin will travel with the One Kid, One World organization in a goodwill trip to Kenya.

You go girl!

Does The Hills’ favorite bitch, Kristin Cavallari, want a piece of Jersey Shore’s, The Situation’s situation?

“I’m not going to lie, I’m kind of jealous,” Cavallari told Usmagazine.com when asked about the new hit MTV show at her 23rd birthday party Saturday at Beso, Eva Longoria Parker’s Las Vegas restaurant that connects with her nightclub, Eve.

Beating The Hills out of the water with ratings, The Jersey Shore continues to hold the spot for MTV’s most watched show, and Kristin explains why…

“The Situation,” she told Us. “I mean, come on, right?”

Would Miss Hollywood ever date an super-tanned fist pumping guido?!

“Maybe, if I liked him,” she told Us. “I mean, if I was attracted to him, absolutely.”

Hmm, shall The Boots Girls play matchmaker this weekend when The Situation and DJ Pauly D hit up Lumen nightclub?!

We all know the story about how the new Hills ho, Kristin Cavallari stole Audrina Patridge’s ex. Well, it looks like she’s done it again!

Recent reports claim that Krisitn is now dating Tal Cooperman (co-owner of the DCMA Collective clothing line), who Audrina once had a friendly fling with. According to Usmagazine.com, though, Audrina doesn’t even care!

“Audrina thinks it’s laughable. Tal and Kristin have gone out a few times now, but it’s nothing serious. Tal and Audina never officially dated and are still friends.” a source tells Us.

But in her own opinion, the source also commented, “Why does she continue to chase Audrina’s sloppy seconds?”

We were just thinking the same thing…

However, despite the drama that goes down on the show, Audrina recently mentioned that she and Kristin are on better terms these days.

“At the end of the day, it’s a show,” she says. “It’s entertainment. And you can’t take anything serious on that show.”

Well obviously! In what world what two hot chicks fight over a nasty loser like Justin Bobby?! Come on ladies… homeboy wore combat boots to the beach.

You’d think seeing your ex hook up with someone on national television would put a real damper on your day. However, Hills star Audrina Patridge says it’s not difficult at all seeing her ex Justin Bobby lock lips with her onscreen enemy, Kristin Cavallari.

“At the end of the day, it’s a show,” Audrina tells Usmagazine.com. “It’s entertainment. And you can’t take anything serious on that show.”

However, their feuding days were initiated on the season six opener when Kristin pursued Audrina’s homeboy.

When asked if Kristin and she had resolved any of their issues, Audrina responded, saying “I don’t know. I really don’t know how it’s going to play out. We still have three weeks of filming - and that’s it.”

This will be Audrina’s last season of The Hills. She’s moving on to star in her own reality show, to be executive produced by Survivor creator Mark Burnett.

“I’m an adult now, and I don’t need all the petty drama and drinking and fighting,” Audrina, who tragically just split from HOTT Aussie BMX racer Corey Bohan recently told Maxim. “I’ve done that, and I’m ready to move on.”

Amen sister! We’re over the petty drama too! Honestly… we think bringing that annoying little biotch Kristin to the show was the worst move MTV could have made. Talk about trash TV…

The bitch certainly is back! Kristin Cavallari wasn’t shy to run her mouth on last night’s premiere episode of The Hills and as usual, she’s sounding off about her fellow cast member’s behavior!

Viewers last night watched as Kristin and Audrina Patridge engaged in a full blown bitch fight after Kristin got her flirt on with Audrina’s ex-fling Justin Bobby.

“I think that Audrina and Stephanie [Pratt] were very judgmental and just wrote me off right away without getting to know me,” Cavallari told Usmagazine.com Tuesday at the “Unite Unveiled: Gen Art’s Fresh Faces in Fashion” event in West Hollywood.

So was Kristin’s attraction to Justin Bobby legit or just one of her usual bitchy moves?

“You’ll have to see it on the show” — but she told Us “the love triangle” gets “pretty dramatic” as the season progresses.

You mean the love triangle created by MTV just to cause drama and boost ratings? Like we really believe any of this shit is real.

What does Kristin think of Audrina’s sudden appearance transformation since the first season of The Hills?

Before taking another stab at Audrina she laughed.

“I’m not commenting on her plastic surgery,” she told Us.

It’s amazing how shitty this show really is, yet we all keep tuning in…

So, who’s raking in the most moolah on MTV’s The Hills?

Although it’s only her first season, Kristin Cavallari earns $90,000 an episode!

Seems excessive right? Well, according to figures reported by the Daily Beast, Aurdrina Patridge and “Lo” Bosworth both earn $100,00 per episode!

As for Speidi, Heidi Montag nets $100,000 as well, but Spencer Pratt only gets $65,000.

And after discovering that Lauren Conrad made a whopping $125,000 an episode, we wonder why she ever left the show! She even had in her contract that no other character could match her salary.

Finally, poor Brody Jenner earns the least at $45,000 a show.

Essentially, these idiots earn thousands upon thousands of dollars for walking around, being their stupid selves while a camera follows them. Seriously?! It’s not like we’re in a recession or anything…

That’s shocking! We thought John Mayer did anything with a va-jay-jay!

Mayer, who’s practically known for doing anything that walks, is really adamant about letting the world know that he did NOT bang The Hills’ new bad girl Kristin Cavallari.

Oh, and of course he went to his Twitter page Wednesday to address this crazy rumor!

“Rumor control: How do I put this like a gentleman…I have never high fived Kristin Cavalari with my penis,” read his first post.

Hold on…his RIDIC tweets didn’t stop there!

He then went on to say, “I’m sure she’s a wonderful gal but we have never tasted the Skittles Rainbow together.”

“My Milli has never slam danced with her Vanilli,” he continued.

Finally, he ended by writing, “I have never Bensoned her Hedges, nor have I attempted to Bartle her James.”

John Mayer is such a disgusting tool! We’re actually really surprised these two whores haven’t found there way in an out of each other…

Lauren Conrad never really liked Kristin Cavallari so she’s really not surprised her Hills co-stars don’t like her either!

“I think she is just very opinionated and that’s how she has always been,” Conrad told Usmagazine.com at the MTV Movie Awards on Sunday, adding that she’s already “gotten a few emails” about her replacement.

So what advice did she give her friends when dealing with the drama queen?

“You know, it’s the same as dealing with anybody. I said, ‘Be yourself.’ That’s all you can do.”

Audrina Patridge has made comments in the past about how she and Kristin don’t totally get along. And now Stephanie Pratt is expressing her dislike for her too!

“We are not really fans of her,” Pratt told Us on Sunday. “She doesn’t want to be friends with us. She wants to bring her acting skills to The Hills and yell at all of us.”

She continued by saying, “I have no idea why she doesn’t like us. I actually just had lunch with Lo [Bosworth] the other day, and we were just talking about how crazy this is. She was telling me some interesting things about her in high school.”.

Despite the drama, Frankie Delgado told Us that Kristin will bring “her little perkiness” to the show.

“I think it’s going to bring a whole new different life to the show,” he said. “I think with Lauren it was her story. Now it’s time to bring in somebody else’s story.”

Kristin, he added, “is just full of energy. You never know what to expect from her. We have shot twice with her and both times it was drama!”

Even Brody Jenner, Kristin’s ex, is excited to have her join the show!

“Kristin and me get along just fine. They don’t like Kristin because she brings so much drama. I think it’s great.”

Kristin? Drama? You’re kidding…

Audrina Patridge is making it clear that she’s not a fan of fellow Hills co-star Kristin Cavallari.

“I don’t like her,” Patridge said Thursday on Ryan Seacrest’s KIIS-FM radio show.

She said the two had a fight the first day of filming bonus episodes for the MTV show. This comes amid rumors that Cavallari is after Patridge’s ex, Justin Bobby.

“When someone gets in my face, I have to defend myself,” Patridge said of their fight. ” And, you guys, I mean, I can’t say much. They’ll show it, but I mean, all I have to say is, it’s really pathetic and desperate what people will do when the cameras are around.”

“It was my birthday, and I was like, Oh, my God. Is this what we’re going to have to deal with?’” she added.

It’s clear that without LC, the drama will still continue on the hit show!

Looks like Laguna Beach’s resident drama queen is taking over the Hollywood Hills!

“Basically…they want me to come in and start drama,” Krisitn Cavallari revealed to Ryan Seacrest on his KIIS-FM radio show. “I’m good for it, it’s fun.”

So what’s she planning on bringing to the show? “Drinking, fighting, hooking up — all that good stuff!” she joked.

Additionally, Us Weekly has reported a potential romance with Audrina Patridge’s ex, Justin Bobby! “I sat next to him at [Heidi and Spencer Pratt]’s wedding,” she hints.

Believe it or not, it was Kristin who actually introduced the Pratts! “I don’t talk about that too much. I was dating Brody [Jenner], and Spencer was Brody’s best friend, and Heidi wanted me to introduce her to a guy.”

So besides drama, and drinking, and fighting, etc. what should we expect from Kristin? “I am single and they want me to date on the show, which I’m kind of excited about. They’ll introduce me to guys, and if it goes somewhere, they’ll follow it. If not, it’ll be over.”

Finally, Kristin exclaims, it’s not her fault Lauren Conrad is leaving the show! “I had nothing to do with that! She was leaving, and I thought it was a good time to come in because she’s gone.”