Susan Boyle faces fierce competition in the ''BGT'' semi-finals

By Margaret Lyons
Updated May 22, 2009 at 04:00 AM EDT

Watch your back, Su-Bo! The bushy-haired Britain’s Got Talent hopeful faces serious competition. Her biggest threats (all watchable on YouTube):

Fabia Cerra
The busty burlesque performer lost a tassel during her audition — and still won raves.

This inventive dance crew’s members range from wee tykes to university students.

Jamie Pugh
Proof that all vaguely mousy Brits love Les Miz! Luckily, it loves them right back!

Natalie Okri
Best of the kiddie acts: She has the pipes of a pro. Plus, Simon called her ”sweetheart.” Aww.