Newcastle have completed the signing of defender Mathieu Debuchy from Lille on a five-and-a-half-year contract.
The fee for Debuchy is believed to be in the region of £5m.
"I cannot wait to play for such a big club in the best league in the world," said the 27-year-old.
The full-back added: "I hope I can bring something fresh to the team and help us get up to the highest possible position in the Premier League this season."
"I will give everything for this club."