© ITV
Dancing dog act Tina & Chandi, boyband Connected, dancer Tobias Mead and gymnasts Spelbound triumphed in the first two heats earlier this week and will compete in Saturday's grand final.
Eight acts, including dance troupe Starburst, 10-year-old singer Chloe Hickinbottom, comedian Paul Burling and Madonna impressionist Phillip Grimmer, will battle it out this evening to join them on the bill.
Dancer Jimmy Forde, street act Peridot, singer Christopher Stone and pop-classical group The Arrangement complete the lineup.
Britain's Got Talent continues at 7.30pm on ITV1.
