Cheryl attends fragrance launch in plunging blue jumpsuit amid 'baby bump' rumours: see picture

Twitter has been wild with speculation that she could be pregnant with her first child, so Cheryl's outing on Thursday at a Boots event for her new fragrance, StormFlower Platinum, set the Internet alight.

Heading to London's lavish Sanderson hotel, the 33-year-old looked effortlessly chic in a plunging dark blue jumpsuit, which featured a black V-shaped neckline.

With her luscious brunette tresses left loose in sleek waves, the former X Factor judge - who is dating One Direction star Liam Payne - oozed heaps of elegance as she happily posed for pictures.

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The star looked stunning in a social media photo shared on @CherylHQ, with fans went wild with excitement that their idol had been pictured for the first time in over a fortnight.

The former Girls Aloud star's appearance comes one week after her 18-month marriage to Jean-Bernard Fernandez-Versini officially came to an end. The former couple were handed a decree nisi at the Central Family Court in London, with the "quickie divorce" finalised in a matter of minutes.

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Cheryl is believed to be pregnant with One Direction star Liam Payne's baby

The singer's rep confirmed the news in a statement to HELLO! Online: "Cheryl Fernandez-Versini and Jean-Bernard Fernandez-Versini have today obtained Decree Nisi in their divorce proceedings. No further comment will be made and they ask for their privacy to be respected."

The British star married the French businessman in a secret ceremony in Mustique in July 2014 after three months of dating. In January it was revealed that they had called time on their relationship, officially splitting on their two-year anniversary.