I Knew I Loved You

"I Knew I Loved You"
Single by Savage Garden
from the album Affirmation
B-side	"Mine (And You Could Be)" "Universe"
Released	28 September 1999 (1999-09-28)
Length	4:10
Label	Roadshow Columbia
Songwriter(s)	Daniel Jones Darren Hayes
Producer(s)	Daniel Jones Darren Hayes Walter Afanasieff
Savage Garden singles chronology
"Tears of Pearls" (1999) "I Knew I Loved You" (1999) "Affirmation" (2000)
Music video
"I Knew I Loved You" on YouTube

"I Knew I Loved You" is a song by Australian pop duo Savage Garden, released through Roadshow Music and Columbia Records as the second single from their second and final studio album, Affirmation (1999). The song was created as an attempt to replicate the composition of Savage Garden's previous single "Truly Madly Deeply". The track was serviced to US adult contemporary and top 40 radio in September 1999 and was issued commercially in Australia on 28 September 1999.

Upon its release, "I Knew I Loved You" topped the US Billboard Hot 100 chart for four weeks in early 2000 and topped the Billboard Adult Contemporary chart for 17 weeks, becoming that listing's most successful track of the 2000s decade. The song also reached number one in Canada and Romania and entered the top 10 in Australia, New Zealand, and four European countries. The music video features then teen actress Kirsten Dunst as Darren Hayes' love interest. The music video received heavy rotation on MTV.