Kimberley Walsh goes make-up free as she works up a sweat with Girls Aloud bandmate Nicola Roberts during outdoor workout session By Lisa Mcloughlin For Mailonline Published: 12:50 BST, 3 May 2019 | Updated: 13:24 BST, 3 May 2019 Viewcomments They have remained close pals since their girl group Girls Aloud disbanded in 2013. And now Kimberley Walsh, 37, was put through her paces alongside BFF Nicola Roberts, 33, as they enjoyed an outdoor fitness session in London on Thursday. The mother-of-two looked showcased her radiant appearance following her rigorous workout alongside Nicola and their personal trainer. Working it out: Kimberley Walsh, 37, was put through her paces alongside BFF Nicola Roberts, 33, as they enjoyed an outdoor fitness session in London on Thursday The TV star donned a fluorescent pink T-shirt, which she stylish tied into a knot above her midriff and teamed it with a pair of navy gym leggings. Carrying a water bottle, she wrapped a black oversized jumper around her waist and draped another grey piece of clothing over her arm. She left her shoulder-length locks loose while pal Nicola sported a pair of grey adidas leggings with a matching hoodie. The flame-haired songstress left her locks loose and donned a pair of kooky shades for the outing, which saw her jogging also Kimberley and their personal trainer P Mac. Walk this way: The mother-of-two looked showcased her radiant appearance following her rigorous workout alongside Nicola and their personal trainer Getting active: The trio began running around the London park Discussing their workout on Instagram, Nicola revealed she hasn't trained in six years and was worried what the outcome of their session would be. The pair have remained firm friends since meeting when Girls Aloud formed on pioneering talent show in 2002, before they disbanded in 2013, and are regularly seen out with fellow bandmate Cheryl. Meanwhile, Kimberley welcomed son Cole in December 2017 and welcomed their first child, Bobby, in September 2014. Posing up a storm: Nicola sported a pair of grey adidas leggings with a matching hoodie Pals: The pair have remained firm friends since meeting when Girls Aloud formed on pioneering talent show in 2002, before they disbanded in 2013, and are regularly seen out with fellow bandmate Cheryl The pop princess has been married to ex-boybander Justin Scott since January 2016 in a lavish Barbados ceremony having dated for 15 years. The couple met when they were both launching their pop careers on Popstars: The Rivals. Kimberley said she is looking forward to adding to her family in the not too distant future, as she isn't 'done' with being a mother. Family: Kimberley welcomed son Cole in December 2017 and welcomed their first child, Bobby, in September 2014 She admitted: 'I personally didn't get the feeling of being done with having more children but Justin may be done. Being a mum and working as an actor is an easier thing to do. 'It's hard to go into a musical with children so young. Bobby gets on really well with his younger brother but I still don't completely trust him because he is only two. 'But he does love him. The first thing in the morning he says he wants to go see baby Cole.' Love: The pop princess has been married to ex-boybander Justin Scott since January 2016 in a lavish Barbados ceremony having dated for 15 years Share or comment on this article: All rights reserved for this news site dailymail and under his responsibility