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Lea and Cory were just two of the celebs on hand for the awards show that honors charitable work, and they both even took home an award!
Lea, who won the Do Something TV Star: Female award, tweeted, "So excited to have just won a DO SOMETHING AWARD!!!! Thank you to everyone at VH1 and @dosomething!! #dosomethingawards2012"
She added, "Thank you to all of my amazing, incredible, loyal and FABULOUS fans who voted for me!!! Love you guys!!!"
Cory picked up the Do Something TV Star: Male award, tweeting, "I won a do something award!! thank you so much for voting!!!!!!! :) :)"
Lea rocked a gorgeous Armani dress with a plunging neckline, while Cory kept it awards show casual in jeans, paired with a vest and tie.
Look for the 2012 Do Something Awards to air on Tuesday, August 21 on VH1.
It's the bomb: Check out some hilarious photobombs and vote for your faves right here!