As well as "Bad Romance", "Telephone" and "Videophone", Gaga also reached number one with " Alejandro". Gaga and Rihanna were the only artists to top the chart four times each. Perry attainted three number one songs with " California Gurls", a collaboration with Snoop Dogg, " Teenage Dream", and the promotional single " Peacock". īeyoncé and Katy Perry were the only artists to achieve three number one songs in 2010 the former with " Why Don't You Love Me", " Telephone", a collaboration with Lady Gaga featuring Beyoncé, and " Video Phone", another collaboration between the two, but with Beyoncé featuring Lady Gaga. Australian singer-songwriter Kylie Minogue scored two number one songs with " All the Lovers" and " Get Outta My Way". Christina Aguilera also achieved two number one songs with " Not Myself Tonight" and " You Lost Me", while Shakira topped the chart with " Did It Again (Lo Hecho Esta Hecho)" and " Loca", a collaboration with Dizzee Rascal. Multiple artists achieved two number one songs on the chart, including Jennifer Lopez with " Louboutins" and " Fresh Out the Oven", the latter of which was a collaboration with Pitbull and released under Lopez's pseudonym "Lola". The first number one song of the year was claimed by Lady Gaga with " Bad Romance", a position it held in the last week of 2009, thus spending two weeks atop the chart in total. The Billboard Hot Dance Club Songs chart is a chart that ranks the best-performing singles in that category in the United States.