Our Girl star Michelle Keegan stripped off for a naked shower scene in the new series premiere last night.The actress returned to screens as Georgie Lane for the final time in her last ever season of the military drama.In an explosive first episode of the hit ITV programme, Georgie was back in Afghanistan being troubled by flashbacks of former love Elvis' death.Michelle had appeared on This Morning earlier in the day, where she told hosts Phil and Holly that viewers could expect a lot more reflective moments, and as the scenes unfolded, she was proved right.There was then more heartbreak for the Army medic when she found herself caught up in a suicide attack on the way to a hospital in Kabul.After risking her safety to save others' lives,