Ladies' Night with the Stars!

Nicole & Kerry! Lauren & Steph! Beyoncé & Solange! See who stepped out with their girlfriends in their Twitpics

LAUREN & STEPHANIE

While checking out Lady Gaga, Kelly Clarkson, the Black Eyed Peas and the other artists who performed at KIIS-FM's Wango Tango concert, Lauren Conrad shared this with her pal – and sister of her mortal enemy – Stephanie Pratt.



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