'Peter Andre: Going It Alone' gathered an 8.1% share of viewing over its 9pm-10.30pm run, with the audience tailing off during the last half-hour.
ITV2 will also be following Price in 'What Katie Did Next' from Thursday August 27, starting with an hour-long show at 9pm.
More people tuned into the digital channel than watched terrestrial channels Channel 4 and BBC Two at 9pm-10pm last night.
The audience for Channel 4's 'On Tour With The Queen' documentary dropped by around a fifth from last week to 1.3m viewers.
The second part of the series, which marks the 60th anniversary of the Commonwealth with a look at the Queen's past visits to the colonies, got a 5.9% share and was seen by just 45,000 viewers on its repeat outing on Channel 4+1.
Having debuted last week with 1.7m viewers and a 7.7% share, it has two more parts to go before concluding.
BBC Two offered new documentary 'Future of Food', which is a three-parter presented by George Aligiah. It earned 1.7m viewers and a 7.5% share.
Five brought in an audience of 1.9m, down from 2.1m last week, and an 8.7% share with 'The Hotel Inspector'.
ITV1 earned 2.5m and an 11.2% share with comedy drama 'Monday Monday', but the slot was won by the final episode of BBC One drama 'The Street'.
The Jimmy McGovern-penned series finished with 4.4m viewers and a 19.9% share.
TV viewing figures
Peter Andre's ITV2 show outshines Channel 4 and BBC Two
LONDON - ITV2 scored 1.7m viewers last night with the start of its reality TV series following Peter Andre after his split from wife Katie Price, according to unofficial overnight figures.
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