This sound is from Simon Cowell Soundboard

Cowell has produced and promoted successful singles and albums for various recording acts he has signed and taken under his wing. Cowell came to public prominence in 2001 as a judge on Pop Idol, a talent television show which he and its creator Simon Fuller successfully pitched to ITV Controller of Entertainment Claudia Rosencrantz.
See also: Simon Cowell (conservationist), Tony Cowell, Nicholas Cowell, Britain's Got Talent, The X Factor (American TV series), and America's Got Talent.