The ITV1 reality show grabbed 9.4m (35.6%) from 7.30pm with a further 384k (1.5%) on +1 - an improvement over figures for the opening semi-final. The results show took 8.35m (32.4%) from 9.30pm (+1: 343k/2.1%).
On BBC One, Antiques Roadshow struggled to compete with 3.38m (12.6%). Silent Witness then drew 2.59m (10%).
Live snooker averaged 2.89m (10.9%) on BBC Two before Coast (1.31m/4.9%) and Toughest Place to Be a Bus Driver (1.08m/4.2%).
Channel 4's Deal or No Deal celebrity special won 854k (3.4%) from 7.15pm (+1: 106k/0.4%). Foxes Live: Wild in the City managed 1.03m (3.8%) in the 8pm hour (+1: 174k/0.7%) and Embarrassing Bodies took 1.49m (5.7%) an hour later (+1: 289k/1.6%).
Channel 5's The Gadget Show entertained 595k (2.2%), Robson's Extreme Fishing Challenge appealed to 997k (3.8%) with 113k (0.6%) on timeshift and 10 Things I Hate About... earned 597k (3.2%) from 10pm.
Overall, ITV1 was dominant during primetime with 29.6% (+1: 1.2%), way ahead of BBC One's 14.3%. BBC Two came third with 7.9% beating Channel 4's 4.6% (+1: 0.8%) and Channel 5's 3.1% (+1: 0.2%).
On the multichannels, Game of Thrones improved to an impressive 405k (1.6%) on Sky Atlantic, and Made in Chelsea attracted 474k (2.6%) on E4 (+1: 121k/1.3%).
BARB ratings data supplied by Attentional