The Rubettes movement, wearing trademark white suits and cloth caps on stage. Their first release, "Sugar Baby Love" was an instant hit remaining at number one in the United Kingdom for four weeks in May 1974, while reaching number 37 on the US chart that August, and remains their best-known record. Subsequent releases were to be less successful, but the band continued to tour well into the 2000s with two line-ups in existence. The Rubettes' first and biggest hit was "Sugar Baby Love" (1974) which was a number one in the United Kingdom, going on to sell around 500,000 copies in the
I Think I'm in Love with You sold over 316,000 paid digital downloads according to Nielsen SoundScan. In Canada, "I Think I'm in Love with You" reached the top twenty, peaking at number fourteen. It became her second top twenty in that country. The song also reached number two on the Canada "RPM" singles chart and was her highest peak at the time. The song stayed on the chart for twenty weeks. In Australia, the single debuted at number thirty on the ARIA Charts during the week of June 25, 2000. Five weeks later, it reached number ten and was her second top ten there. The single