Simpson performed the song at the Wango Tango concert organized by KISS-FM on May 13, 2000. Five days later, she performed the song on The Rosie O'Donnell Show on May 18, 2000. On June 2, 2000, Simpson performed it at the Zootopia concert, organized by Radio Z-100. Later, she performed at Summer Music Mania on August 13, 2000. She also performed on Arthur Ashe Kids Day festivities in New York, on August 26, 2000. On November 21, 2000, she performed the song at the World AIDS Day Concert. On November 23, 2000, Simpson performed the song on The Salvation Army's National Kettle Kick-off half-time show. Track listing US maxi-CD "I Think I'm in Love with You" (radio version) – 3:40 "I Think I'm in Love with You" (Peter Rauhofer Club Mix) – 9:22 "I Think I'm in Love with You" (Peter Rauhofer Dub Mix) – 5:56 "I Think I'm in Love with You" (Lenny B's Club Mix) – 9:41 "I Think I'm in Love with You" (Soda Club Funk Mix) – 7:29 US 12" single "I Think I'm in Love with You" (Peter Rauhofer Club Mix) – 9:19 "I Think I'm in Love with You" (Peter Rauhofer Dub Mix) – 6:00 "I Think I'm in Love with You" (Lenny B's Club Mix) – 9:39 "I Think I'm in Love with You" (Soda Club Funk Mix) – 7:30 Europe CD single "I Think I'm in Love with You" (album version) "I Wanna Love You Forever" (Soda Club Radio Mix) "Where You Are" featuring Nick Lachey (Lenny B's Radio Mix) UK CD single 1 "I Think I'm in Love with You" "I Think I'm in Love with You" (Soda Club Funk Mix) "I Wanna Love You Forever" (music video) UK CD single 2 "I Think I'm in Love with You" "I Think I'm in Love with You" (Lenny B's Radio Mix) "Where You Are" featuring Nick Lachey (music video) UK cassette single "I Think I'm in Love with You" (radio version) "I Think I'm in Love with You" (Soda Club Mix) Australian CD single "I Think I'm in Love with You" (radio version) "I Think I'm in Love with You" (album version) "You Don't Know What Love Is" "I Wanna Love You Forever" (Soul Solution Remix Radio Edit) Japan CD single "I Think I'm in Love with You" (radio version) "I Wanna Love You Forever" (Soul Solution Remix Radio Edit) Charts Weekly