We got used to seeing Danielle Bux slaving away in Hell's Kitchen chef's whites, but this week Gary Lineker's fiancée donned an infinitely more sensual outfit.
Clad in the sassy sequinned shorts and satin blazer of a cinema usherette, the lingerie model took selected London underground passengers on a nostalgic trip back to the Fifties.
She even served popcorn in a train specially converted into an old-style movie theatre, during the promotional appearance for Sony.
On the other side of the Atlantic I Kissed A Girl singer Katy Perry was getting into the dressing-up thing, too. Appearing on US talent show American Idol, the singer crooned her new single Waking Up In Vegas wearing a skimpy rhinestone-embellished Elvis ensemble.
The pop diva, who often uses giant fruit as props in her performances, was accompanied by a troupe of glittery showgirls. And she was making no secret of where her allegiance lay, arriving on stage in a cape emblazoned with the name of one of the contestants.