Duo Chris and Wes's victory on the reality show was seen by 1.19m (4.4%) between 7.20pm and 8pm, after 1.06m (4.5%) had tuned in for the last performance show from 6pm.
Elsewhere on the multichannels, the latest instalment of Being Human scored 977k (3.6%) for BBC Three from 9pm, while US drama Hawaii Five-0 pulled in 633k (2.3%).
Dancing On Ice reigned for ITV1 with 8.06m (30%) for its World Tour between 7pm and 8.30pm (+1: 228k), after which 6.68m (23.7%) watched Wild at Heart until 9.30pm (+1: 127k), at which point Dancing On Ice returned for its Skate-Off with just 6.5m (24.2%) until 10pm (+1: 228k).
Birmingham City's shock win over Arsenal in the Carling Cup boosted BBC One in daytime, as 5.35m (27.8%) chose the channel between 3pm and 6.30pm, while 985k (4.9%) watched Sky Sports 1's coverage, which ran between 3.30pm and 6.30pm.
BBC One's Countryfile interested 6.39m (24.3%) at 7pm, then Antiques Roadshow logged 6.21m (21.7%), before South Riding picked up 6.15m (22.7%), a loss of 450k from its premiere.
Moved to a late-night slot after low ratings, the latest episode of sci-fi drama Outcasts grabbed 1.52m (10.5%) from 10.30pm.
Over on BBC Two, Top Gear attracted 5.8m (20.2%) at 8pm, Toughest Place To Be A... Midwife fetched 1.72m (6.4%) at 9pm, and Match Of The Day 2 appealed to 2.18m (11.6%) from 10pm.
Meanwhile, Channel 5's screening of Hancock managed an impressive 2.36m (9.8%) between 9pm and 11pm. Prior to that, Royal Navy Caribbean Patrol put in 633k (2.2%).
The People's Supermarket averaged 879k (3.1%) for Channel 4 (+1: 138k), after which the finale of The Promise notched up 1.11m (4.9%) between 9pm and 11pm (+1: 102k).
Overall, ITV1 led primetime with 24.1% (+1: 0.7%), ahead of BBC One's 21.6%. BBC Two claimed third place with 10.6%, followed by Channel 5 with 6%, and Channel 4 with 4.5% (+1: 0.6%).
BARB ratings data supplied by Attentional