The two-hour Celebrity Big Brother final averaged 3.01m (14.3%) for Channel 5 from 9pm, as the Gypsy Weddings star was voted the winner ahead of Kerry Katona.
The show peaked at 3.44m (17.6%) in the 15 minutes after 10.15pm, and spinoff Celebrity Big Brother's Bit On The Side entertained 1m (10.1%) on Channel 5 from 11pm.
Whilst the live final failed to reach the dizzy heights of 5.1m for the launch of Celebrity Big Brother, the reality TV show has proved an overall ratings winner for Richard Desmond's Channel 5, sticking mostly above 2m viewers for its nightly highlights episodes.
Big Brother continues on Channel 5 on Friday night with a house of non-celebrities, apart from special guest Pamela Anderson.
Elsewhere on Channel 5, Cowboy Builders built 911k (4.1%) in the 8pm slot.
Meanwhile, Simon Cowell's gameshow Red or Black? continued to struggle, pulling in just 3.81m (16.9%) on ITV1 in the 8pm hour, easily beaten by Watchdog's 5.23m (23.2%) on BBC One.
Red or Black? did not fare much better when it returned from 9.30pm, attracting 3.86m (17%) and 207k (1.3%) on +1, as Yorkshire pig farmer Darren Thompson became the third person to win the £1m jackpot.
Torchwood: Miracle Day continued with 3.45m (14.7%) on BBC One, beating The Killing USA's 1.05m (4.5%) on Channel 4, and 151k (0.8%) on timeshift.
Question Time: 9/11 Special quizzed 2.04m (16.7%) from 10.45pm, while The Jonathan Ross Show was seen by 919k (7.4%) on ITV1.
Live coverage of Diamond League Athletics ran away with 1.49m (7%) on BBC Two between 7pm and 9pm. Adopting Abroad: Saira's Story mustered 1.42m (6%) from 9pm and Mock The Week amused 1.98m (9.9%) from 10pm.
Channel 4's Country House Rescue built 1.59m (7%) in the 8pm slot and 208k (0.9%) on +1. Undercover Boss USA fetched 570k (2.9%) from 10pm and 107k (1.1%) on timeshift.
Overall, BBC One dominated primetime with 20.8% against ITV1's 17.7% (+1: 0.5%). Channel 5 ranked in a strong third with 8.4%, ahead of BBC Two's 6.8% and Channel 4's 4.6% (+1: 0.8%).
Elsewhere, the new series of Celebrity Juice attracted 927k (4.9%) to ITV2 from 10pm and 119k (1.9%) on +1. Supermarket-set comedy Trollied amused 411k (2.7%) on Sky1 from 9pm.
On BBC Three, Don't Tell The Bride averaged 550k (2.4%) in the 8pm slot, and 9/11 Conspiracy Road Trip captivated 659k (2.8%) from 9pm. Lee Nelson's Well Good Show entertained 416k (2.6%) from 10.30pm.
Comedy The Big Bang Theory mustered 756k (3.4%) on E4 from 8pm and 112k (0.5%) on +1. The Story of British Pathe educated 574k (2.4%) on BBC Four from 9pm.
BARB ratings data supplied by Attentional