 She embarked on her first headlining tour in February 2012.Scherzinger appeared as Boris' girlfriend in the science fiction action film "Men in Black 3", which was released in May 2012.In May 2012, during the audition process for the ninth series of "The X Factor" UK, Scherzinger was invited back onto the show to fill in for departed judge Kelly Rowland during the final day of the London auditions, sitting alongside judges Walsh, Tulisa and Gary Barlow.