Given the fact that her foray into pop music has been met with lukewarm responses and mixed reviews, it’s only natural that Heidi Montag would be all about proving herself as a bona fide performer with a live concert.

And that’s just what she did last night at the Boost Mobile Rock Corps at the Gibson Amphitheatre in Los Angeles, California.

Classic: Angelina's Sexy Photoshoot.. With A Horse (The Bastardly)
Nicole Richie Needs To Eat! (Dlisted)

Kate Hudson Is Banging Armstrong (DS nsfw)
Britney Spears Still Looks Pregnant (IDLYITW)

Kristin Bell Does FHM UK (Pink Is The New Blog)
Rihanna Gets Caught In Guest House (Just Jared)

Cameron Diaz Makes A Sexy Appearance (Lainey Gossip)
Jeremy Piven's [...]

Here are the most boring hills from The Hills: Lauren Conrad. Sure, she may be the cutest and most likely the one you'd like to bring home to meet your parents, but since that's never going to happen with any of us, girl needs to step up her game. Rockin' that little cleavage of [...]

Filed under: Wacky and Weird, The Hills

TMZ.com: Heidi Montag had no problem flashing her cash to cameras inside an ATM booth -- too bad she couldn't figure out how to get out of it!Sadly, she didn't stay trapped forever, but with all that new moolah we had only one question for her and Spence: Do... Read more

-Hilary Duff with love
-Mmm.. Alexandra Kamp
-Girls love kegs
- Taylor Swift moment

-Attack of the Victoria Beckham
-GQ Italy hotness
-Sexy waterslide
-Club cuties are all smiles

More Tuna:
Kristen Bell Pictures
Angelina Jolie Pictures
Heidi Montag Has A New Fan
Jenna Jameson Is A [...]

-Sexy fitness chick
-Kristen Renton is smokin'
-Girls just wanna have fun
-Meet Tiiu Kuik

-Salma Hayek busts out
-Stripper pole action
-Blond gone wild
-Club chicks let loose

More Tuna:
Paris Hilton Pictures
Maggie Grace Pictures
Heidi Montag Bikini Pictures
Melanie Brown Smokin’ Bikini Pictures [...]

I have no clue who Brody Jenner is, but he has both a hot mom (allegedly) and girlfriend . I don’t know how old his mother is but mothers aren’t supposed to look like that. And if they do, you shouldn’t be hanging out at the beach with them. Unless there's going to [...]

Filed under: The Hills

TMZ.com: We learned two things last night. Heidi Montag doesn't know how to say goodbye and Spencer Pratt is totally irrelevant. See Also Speidi -- Rulers of the Tragic Kingdom ... Read more