I'd say that most brands that British kids wear would be (In no particular order): SuperdryVoi JeansPolo Ralph LaurenDuffer of St GeorgeAdidas/Adidas OriginalsNikePaul's BoutiqueCriminal DamageFrench...
The Gosselin kids are Jon and Kate Gosselin's 8 kids. They are on the tv show 'Kate Plus 8' (it used to be 'Jon and Kate Plus 8' but now the parents are divorced.)