Simon Cowell has had an eventful year, and is currently recovering from a broken back following a bike accident in August.But on Wednesday, the music mogul had something to smile about, as he celebrated his 61st birthday.MORE: Simon Cowell looks unrecognisable in epic throwback photo from the bathThe star is currently staying at his Malibu mansion, and will no doubt be spoilt by his son Eric and partner Lauren Silverman on his special day. VIDEO: Simon Cowell's son Eric steals the show during