IN PICTURES: Nicole Scherzinger guest judges at X Factor London auditions!

With the final day of the X Factor 2012 London auditions, Nicole Scherzinger brought the crowds cheering this morning at London’s O2 Arena.

Following the footsteps of Rita Ora and Leona Lewis, Nicole joined Gary Barlow, Tulisa Contostavlos and Louis Walsh.

Ex Pussycat Doll had previously judged on the show back in 2010 filling in for Dannii Minogue and Cheryl Cole at bootcamp.

Nicole did join X Factor USA last year however found her self replaced this year by Britney Spears.

Nicole commented this morning saying: “I’m super excited to be back in London for The X Factor!”

“Last time I was here we found One Direction and I can’t wait to find more unique and interesting talent here in the UK.”

The X Factor returns to ITV1 and ITV 2 in early autumn and the Auditions continue this week.