Are you sitting down, Perezcious readers??
According to TMZ, T. Swift hit up the El Lay hot spot alongside her girl squad members Karlie Kloss and the Haim sisters — while the Gravity singer arrived to the club solo looking dapper in a black suit.
We're hearing that not only was the Dear John songstress in attendance but, according to the photo agency who snapped the crooner's pic (above right), so was another one of Mayer's former loves… Katy Perry! Ah!
Life's hard when you date all of Hollywood's biggest pop stars!
Other guests included: