> Britain's Got Talent Semi-Final 3: The lineup
> Britain's Got Talent Semi-Final 2: The lineup
Talent: Dance troupe
Dance Angels are based in Cardiff and their lead choreographer Lauren Hall promises that they offer something totally different from previous winners Diversity. The 20-strong group presented a carnival-inspired routine at audition.
Talent: Dog double act
Mexican Mayhem are comprised of Melanie and her two long-haired chihuahuas Twizzle and Tucker. The trio had Michael McIntyre and Amanda Holden in stitches at audition - both overruled David Hasselhoff to put them through to the next stage.
Sheffield's Jessica Hobson performed 'Billie Jean' at audition and received a 'yes' from all three judges. Amanda Holden said that her take on the Michael Jackson classic was "beautiful" and David Hasselhoff added: "You rock!"
Talent: Acapella singers
Oxford-based university students Out of the Blue fooled nobody with their unassuming appearance - their Glee-style medley of 'Poker Face' by Lady GaGa and 'Sexyback' by Justin Timberlake brought the house down at audition. Guest judge Louis Walsh said: "I think the royal family need to see this."
Fine art student Nathan, who hails from Ebbw Vale, designed a portrait of judge Michael McIntyre using toast and Marmite. The stand-up comedian was full of praise, saying: "I thought it was very creative, and I very much look forward to seeing you doing that at the Royal Variety Performance."
Support worker Jai had never performed in public before his audition, revealing his nerves prior to his rendition of 'Anthem' from the musical Chess. He received a standing ovation from Amanda Holden and the audience for a performance which Michael McIntyre described as "really, really wonderful and powerful and emotional".
Talent: Comedy dancing
Steven is a telecommunications engineer by day, but a dancing machine by night, honing his skills in the kitchen at home in Kendal. His Liverpool audition performance, which included the Macarena, the YMCA dance and moves from Austin Powers and MC Hammer, had David Hasselhoff pumping his fists in the air while shouting "You did brilliantly tonight!"
Glaswegian drama teacher Edward performed nursery rhymes including 'Old Macdonald' and 'Humpty Dumpty' in the power-ballad style of Leona Lewis. "Jack and Jill will never be the same," David Hasselhoff quipped as the judges unanimously put him through to the next round.
> Britain's Got Talent Semi-Final 3: In pictures
> Britain's Got Talent Semi-Final 2: In pictures
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