Indian Wells has been a WTA stop since all the way back in 1989. It boasts an impressive list of former champions and has had some very dramatic finals - turn back the years right here.
From Grand Slam champions to World No.1s and everyone else in between, the stars of the WTA show their appreciation for 40 years of the WTA that paved the way for the magic happening out there today.
With Victoria Azarenka spending her 50th week at No.1 and in the spirit of 40 LOVE - the 40th anniversary of the WTA - wtatennis.com brings you the 21 women who have been No.1.
