Plenty of celebrities and their families came out for the star-studded season finale bash on Wednesday where David Cook took home the 'American Idol' title.

The night was filled with smiles and laughter as 'Idols' of seasons past and, of course, our beloved judges Simon, Randy and Paula reunited for the end of Season 7. Check out all the red carpet poses and outfits in this KOL gallery.

Lindsay Lohan made her ABC comedy debut on the season finale of 'Ugly Betty' last night, playing Kimberly, a "mean girl" from Betty's high school days. Missed it? Watch a clip from the show below and tap into full episodes of the series on AOL TV.

Although all eyes were on David Cook last night, the Jonas Brothers came close to stealing the show with their performance of 'S.O.S.' on the season finale of 'American Idol.' Girls were screaming, Nick showed off his new haircut and the audience smiled ear to ear during the blowout event. Here's a recap of the Jo Bros' hit, in cased you missed it.

Last night, Tyra Banks crowned 20-year-old Whitney Thompson the winner of 'America's Next Top Model' -- the first "full-figured" model to win the competition. The Florida native shrieked with joy as she processed the news of receiving a $100,000 CoverGirl contract, a cover and six-page spread in Seventeen magazine and a modeling contract with Elite Model Management.

"I'm here because I do feel good about myself and I want other women in America to feel better about themselves," Whitney said. In case you missed it, you can watch the exciting moment below.