Tulisa Contostavlos has got her mojo back, says Louis Walsh

Louis Walsh says his former X Factor co-star Tulisa Contostavlos has “got her mojo back” after the pair teamed up again for the new series.

Tulisa and Louis have reunited for the 2014 X Factor (Joel Ryan/Invision/AP)

Tulisa said she became “a paranoid wreck” and felt her life was over after being caught up in a cocaine sting, which led to a trial that collapsed in dramatic fashion last month.

The 26-year-old former N-Dubz star joins Louis for the judge’s houses stage where she provides expert advice to this year’s contestants.

Tulisa mentored Jade Ellis, Ella Henderson and Lucy Spraggan in 2012 (Dominic Lipinski/PA Wire)

Louis said: “Because I got to know her for two years on the show and because she’s had a really tough time, and I just thought I’d give her a ring and I asked Simon and he said yes, everyone said yes, and it was a brilliant time and she’s looking great.

“She’s back and she’s got her mojo back and she deserves it, she’s a really good girl.”

Tulisa was a judge for two series of The X Factor and mentored the winning girl group – Little Mix – at her first attempt.

Tulisa with her winning X Factor girl group, Little Mix (Ian West/PA Wire)