Simon Cowell has been spotted enjoying some fresh air while on a walk in London on Thursday afternoon.The dad-of-one, who recently bought Amanda Holden a hilarious present for her birthday, stepped out for his daily stroll and kept protected with a black face mask.The 61 year old displayed his weight loss as he wore a black top and his signature denim jeans. He kept the winter chill out with a padded black coat and wore a pair of black trainers for his walk.