Posh extends her stint on American Idol

Victoria Beckham seems to be getting used to filling the fourth judge's chair on American Idol, after it was left vacant by Paula Abdul's departure.

The former Spice Girl was in Boston on Thursday to help judge call-backs for contestants who auditioned and were invited back for another round, Fox publicist Alex Gillespie said.

Posh Spice was a guest judge for auditions in Denver last Friday and it was originally described as a one-off appearance.

This is the stage of the show where judges give singers a golden ticket to advance to the Hollywood round.

Last week in Denver, Beckham told Fox News she was a huge fan of American Idol and nervous about being a judge.

"My heart is about to jump out of my throat," she said.

She also said she was looking forward to any criticisms Simon Cowell may have for her.

"I have a British sense of humour. I'm quite welcoming to it," she added.

American Idol returns for its ninth season in January.