Natasha Hamilton is among the stars who have entered the 'Celebrity Big Brother' house

The Atomic Kitten singer, 'Loose Women' panelist and American actor were joined by a host of other celebrities as they entered the reality show house in London for the UK vs. USA-themed series of the Channel 5 show this evening.

Speaking before she went into the famous house, Sherrie admitted she would be less than impressed if any of her fellow housemates decided to get up close and personal in front of her.