Chelsea girls in the know socialise in the day and party hard at night the secret to their formula to keep going is to go and reboot in a day spa sanctuary two time award winner for best day spa in london in both 2012 and 2013 by the british association of beauty therapy the chelsea day spa is the pick me up spot for the likes of chelsea girls in the know like cheska hull we may not have a pool in terms of being a city day spa or a famous swing over it but we but the treat back i