The battle is officially on between Lady Gaga and Carly Rae!Justin Bieber
's protg, 26, best known for her upbeat hit, "Call Me Maybe," has officially surpassed Lady Gaga
's record in Billboard's Hot 100. Jepsen's contagious summer hit has been on top of the said charts for seven weeks, beating Gaga's 2011 hit "Born This Way," which stayed at No. 1 for six weeks.
Reacting to this, Gaga, also 26, took to twitter to (jokingly) warn the ...