Leggy ladies: The Saturdays show off their toned physiques in tiny shorts at Alton Towers concert

Leggy ladies: The Saturdays show off their toned physiques in tiny shorts at Alton Towers concert

Leggy ladies: The Saturdays set the tone for their tour in skimpy shorts as they perform at Alton Towers concert

1:13 AM on 20th June 2011

Leggy ladies: The Saturdays set the tone for their upcoming arena tour by donning tiny shorts as they performed at Alton Towers yesterday

Leffy lad

Smiles all round: The girls (left to right, Rochelle Wiseman, Una Healy, Vanessa White, Frankie Sandford and Mollie King) looked delighted to be performing at the theme park

Smiles all round: The girls (left to right, Rochelle Wiseman, Una Healy, Vanessa White, Frankie Sandford and Mollie King) looked delighted to be performing at the theme park

Summer style: Eliza Doolittle looked cute in a red gingham bustier and flirty white skirt Summer style: Eliza Doolittle looked cute in a red gingham bustier and flirty white skirt

Summer style: Eliza Doolittle looked cute in a red gingham bustier and flirty white skirt

Heartthrobs: Boyband JLS were another of the acts to take to the stage at Alton Towers Live

Heartthrobs: Boyband JLS were another of the acts to take to the stage at Alton Towers Live

Grungy: McFly looked worlds away from their previous boyband appearance as they posed for photographers ahead of their performance

Grungy: McFly looked worlds away from their previous boyband appearance as they posed for photographers ahead of their performance

Adrenalin junkies: Earlier in the day, the boys had enjoyed the park

Adrenalin junkies: Earlier in the day, the boys had enjoyed the park”s rides, including the terrifying Oblivion