PICTURES! X Factor 2013 Overs perform in LA for Sharon Osbourne

Here's a picture preview of this week's X Factor 2013 judges' houses, with the Overs singing in LA!

After weeks of auditions and last weekend's nail biting boot camp, just 24 acts remain in the fight to become this year's X Factor champion.

This weekend each judge will have to pick only three to progress through to the live shows which start later this month.

The six acts remaining the Overs category are Sam Bailey, Lorna Simpson, Joseph Whelan, Shelley Smith, Andrea Magee and Zoe Devlin

This week we'll see them fly out to LA in the States for one last challenge as they sing for a spot in the live finals.

Helping out Sharon Osbourne make her decisions and watching the Overs' performances will be Gary's Take That pal Robbie Williams.

Which three Overs do you want to see in the live shows?

Elsewhere and this year the Girls category will jet off to the Caribbean to sing for Nicole Scherzinger, Gary Barlow invites the groups to New York and the Boys category fly out to San Tropez to perform for Louis Walsh.

The X Factor 2013 judges' houses double bill airs this Saturday and Sunday on ITV.

Browse pictures of the X Factor 2013 judges' houses overs performances below...