The original Sugababes line-up united to collect the band's Impact Award at the MOBOs. Mutya Buena has since hit back after Heidi Range's mum took issue over her daughter's 'snub'
The group, which now consists of Mutya, 38, Siobhán Donaghy, 39, and Keisha Buchanan, 39, won the Impact MOBO Award last week - and it appears to have bothered Heidi and her mother.