The Saturdays are the latest celebrities to jump on the bandwagon to help support and raise money for Sport Relief.
Posing in their socks, the girls don't look to be wearing much else behind the shutters.
Strategically placed to cover Una's growing baby bump too.
Frankie says: "Me and the girls aren't usually a fan of wearing socks, but we can't get enough of the official Sport Relief Socks from Sainsbury's.
"They're perfect to wear for anything - from lounging round the house to training for the Sport Relief Mile from Friday 23rd to Sunday 25th March."