The #1 single on the Billboard Hot 100 on 18 Jan 1973 was You're So Vain by Carly Simon.
"You're So Vain" by Carly Simon was the number 1 hit song on January 7, 1973.
You're so vain
"Killing Me Softly With His Song" by Roberta Flack was the number 1 hit song on March 15, 1973.
The number song on January 17, 2012 was "We Found Love" by Rihanna.
The number one song on January 1, 2002 was "How You Remind Me" by Nickelback.
The number one song on January 1, 2012 was "Sexy and I Know It" by LMFAO.
The number one song on January 2, 2012 was "Sexy and I Know It" by LMFAO.
The number one song on January 3, 2012 was "Sexy and I Know It" by LMFAO.
The number one song on January 4, 2012 was "Sexy and I Know It" by LMFAO.
The number one song on January 5, 2012 was "Sexy and I Know It" by LMFAO.
The number one song on January 6, 2012 was "Sexy and I Know It" by LMFAO.
The number one song on January 7, 2012 was "Sexy and I Know It" by LMFAO.