"1, 2, 3, 4" (sometimes subtitled "I Love You") is the second single from the Plain White T's second worldwide album, Big Bad World.

Billboard Hot 100 in April 2009 and was certified Platinum in June 2011, having sold over 1 million digital copies.

[2] Since its release in December 2008, the song has been compared to the band's earlier hit "Hey There Delilah" because of its acoustic rock sound.

[5][6][7] It found success on the weekly VH1 Top 20 Video Countdown, charting over five months straight between January and May, peaking at #5.

Additionally, a feature was added online allowing viewers to personalize the video by incorporating their own pictures.