Simon Cowell has been determined to get back on his feet following his bike accident at the beginning of August, which resulted in the music mogul breaking his back.MORE: Simon Cowell suffers major personal loss - detailsAnd on Sunday, the X Factor judge was pictured taking some steps while out in Malibu with his son Eric and partner Lauren Silverman.Simon looked in good spirits as she walked around with his family during a shopping trip, in photos published in The Sun. VIDEO: Simon Cowell