Katy Perry working out five times a week ahead of wedding

The star has even stepped up her workouts to five times a week ahead of her wedding and yesterday showed off the fruits of her labour in a revealing bikini as she held a press conference in a stunning rooftop infinity pool in Singapore.

But pictured in her underwear on the cover of this month’s Rolling Stone magazine, it would appear the singer has been made to look even slimmer with a little help from the airbrush.

Katy is wearing a pink bra and knickers in the sultry photoshoot, but her torso seems to have had any hint of body fat digitally removed, resulting in her looking impossibly thin.

Katy Perry visits a baby boutique with new fiancé Russell Brand

First it was a series of cryptic messages on Twitter, now Katy Perry has further fuelled pregnancy rumours with a visit to a baby store.

The American singer was spotted browsing over bootees at a children’s boutique in North London on Sunday with her new fiancé Russell Brand in tow.

And as they enjoyed a romantic walk in snow covered Hampstead, the couple nipped inside upmarket store, Cubs.

Katy Perry and Russell Brand Engaged

The comic, 34, popped the question during a spiritual ceremony in India on New Year’s Eve. He and Katy, whose hits include I Kissed A Girl, are now celebrating their news in Thailand. Wearing traditional Indian outfits, the couple were granted luck and divine happiness in a tent at the foot of a Jaipur mountain just before midnight on New Year’s Eve.

Katy Perry wows the MTV Europe Music Awards with her 12 costumes… including West Ham lingerie for boyfriend Brand

Katy Perry pulled off a show-stopping turn as the host of the MTV Europe Music Awards last night, as she dazzled in 12 different outfits.

In a bid to go one better than last year, when she had 10 costume changes at the same bash, the American singer made sure she was the fashion queen at the star-studded event in Berlin.

While starting the night off demurely in a floor-length pink Marchesa gown, Katy went on to flaunt her curves in a series of skimpy outfits on stage.

All change: Katy Perry arrived on the red carpet in a stunning pink Marchesa gown (left) before changing into 10 further outfits, including this red velvet coat and black suspenders

Special treat: Katy made sure her boyfriend Russell Brand didn’t feel left out by wearing a sexy version of the West Ham strip (his favourite football team) with ‘Rusty’ written across the back