The talent show's second episode of the series climbed by almost 500,000 viewers from the previous night to 9.21 million (36.2%) at 8pm. A further 729k (3.0%) tuned in on +1.
Later, Brenda Blethyn's Vera also saw a rise, climbing by 300k to 4.89m (22.9%) at 9pm (336k/2.4% on +1).
On BBC One, Countryfile attracted 5.36m (24.4%) at 7pm, followed by Antiques Roadshow with 5.16m (20.3%) at 8pm.
The second episode of What Remains dropped over 700k viewers from last week's opener to 3.73m (15.6%) at 9pm.
BBC Two's Dragons' Den dipped to 1.77m (7.0%) at 8pm. Documentary The Story of the Jews was seen by 2.19m (9.2%) at 9pm.
On Channel 4, 9/11 documentary Rebuilding the World Trade Centre interested 890k (3.6%) at 7.45pm (247k/1.0%).
Channel 5's Celebrity Big Brother continued with 1.75m (7.3%) at 9pm (237k/1.3%).
On BBC Three, Family Guy topped the multichannels with 932k (4.6%) at 10pm. ITV2's The Xtra Factor entertained 647k (2.7%) at 9pm (243k/1.3%).
Sky1's A Touch of Cloth had a small rise from last week to 208k (0.9%) at 9pm.
BARB ratings data supplied by Attentional