George Clooney's ex-girlfriend vows to wreck his Italian wedding

George Clooney's porn star ex-girlfriend has revealed she will gatecrash his Italian wedding to Amal Alamuddin.

Ginger Lynn Allen, who has boasted about the wild nights she says she spent with the 'Up In The Air' star after his marriage to actress Talia Balsam hit the rocks, plans to fly out to Venice to remind Alamuddin that she'll always be there in the background, the Daily Star reported.

Clooney is expected to tie the knot with his lawyer fiancée at the Aman Canal Grande Venice hotel on Saturday morning.

Read: George Clooney, Amal Alamuddin will get married in Venice