The 19-year-old will return to Lille on loan next season.
Liverpool have reportedly secured the signing of Lille striker Divock Origi for around £10m.
The player, who will return to the French club on loan next season, has signed a five-year deal according to Belgian journalist Sven Claes.
Belgian striker signs a 5-year contract at Anfield Road. First year a loan back to LOSC Lille. Just got the confirmation from his dad. 2/3
— Sven Claes (@svenclaes) July 26, 2014
Good news for #LFC and his fans. Everything has been settled for the signing of Divock Origi. (19). Passed his medicals on Friday. 3/3
— Sven Claes (@svenclaes) July 26, 2014
Origi played a prominent role for Belgium at the World Cup, scoring the winning goal against Russia in the group stages, and his arrival is expected to be followed by those of Loic Remy and Dejan Lovren in the coming days.