We asked top beauty blogger Jen Riley from 'A Beauty Junkie in London' to recommend her favourite spas in London. The brief? 'Only recommend places you genuinely love regardless of whether they are associated with Groupon or not'. So in no particular order, here are the best spas in London...

Elemis Day Spa, Mayfair

"Tucked away in Lancashire Court - a quaint backstreet in the heart of Mayfair - the Elemis Day Spa in Mayfair is the perfect destination for a little bit of spa-escapism"...read more...

Re:SPA, Canary Wharf

"A treatment at Re:SPA will transport you a million miles away to another world far from the bustling business centre and shops outside"...read more...

So SPA, Waterloo Place

"It's just a short distance away from the hubs of both Piccadilly Circus and Trafalgar Square, but once you're inside So SPA, you immediately escape in to a world of relaxation and tranquility"...read more...

Which London spas would you recommend?