Simon Cowell has "mellowed" after becoming a dad, according to the 'X- Factor' judge's friends Ant McPartlin and Declan Donnelly.
The birth of Cowell's first son Eric from girlfriend Lauren Silverman seemed to have softened the TV Producer.
McPartlin, co-host of 'Britain's Got Talent' said that he thought it would be off limits to talk to Simon about being a dad but it seems he is he's thrilled to bits, Contactmusic reported
However, the duo are confident that parenthood won't have changed one of Cowell's bad habits, and could even make it worse.
