Palace have completed the signing of former Arsenal midfielder Flamini on a one-year deal.
Eagles manager Alan Pardew said: "I thought it was important to get another midfield player.
"His playing ability will help us but also his leadership qualities and his ability of how to win games in a passing style.
"I am delighted that we have secured a player of his stature."
Flamini brings a wealth of experience to Selhurst Park and he is raring to go after being given another shot at Premier League football.
He told the club's official website: "Crystal Palace is a very ambitious club with great players and I am looking forward to being part of that squad.
"It is a very interesting challenge for me and I am very excited to be here.
"I have had chance to discuss the move here with Alan Pardew and he really helped me make my decision."