The 25-year-old signed a five-year deal with the Villans from Lorient in 2015 for a fee of £ 8.5 million.
Ayew, who is the brother of West Ham forward Andre Ayew, scored 10 goals – in 58 games for Villa before joining Swansea City in January.
The Ghana international is in good company alongside some of the club’s highest signings such as Darrent Bent, Stewart Downing,, James Milner and Manchester City winger Ashley Young.
Here is Aston Villa’s most expensive XI of all time
arrent Bent – £ 24m from Sunderland
Stewart Downing -£12m from Middlesbrough
James Milner – £10m from Newcastle United
Ashley Young -£9.65m from Watford
Charles N’Zogbia -£9.5mWigan Athletic
Juana Pablo Angel £9.5m- River Plate
Jordan Amavi -Nice £9 Nice
Curtis Davies £9 million from West Bromwich Albion
Jordan Ayew £8.5m from Lorient
Carlos Cueller £7.8m from Rangers
Shay Given £3.5 ManChester City