Pregnant and proud: Amanda Holden FINALLY shows off her bump in a tight blue dress

By DAILY MAIL REPORTER Blooming: Amanda Holden shows off her baby bump for the first time outside the Britain's Got Talent auditions in CardiffShe kept her pregnancy a secret for six months before she announcing she was expecting a baby boy three weeks ago.But today, Amanda Holden finally gave fans a good look at her burgeoning baby bump as she attended the Britain's Got Talent auditions in Ca...