Star Salute! Celebs Celebrate Presidential Inaugurations

From Beyoncé and Mariah to John Lennon and Frank Sinatra, see which stars honored America's leaders, both past and present

JESSICA SIMPSON & NICK LACHEY

Get a room! The former pop couple shared an intimate moment while performing at a Jan. 19 pre-inauguration concert for President Bush. Simpson performed her 2000 hit single "I Think That I'm in Love with You" for her fellow Texan, tailoring the song lyrics to "George, I think that I'm in love with you."