The midfield maestro, 30, joined us from Fulham in August, 2012.
Mousa has now played 146 times for us in the Premier League, 10 in the FA Cup, eight in the League Cup and made 36 appearances in Europe.
Those 36 appearances in Europe see him placed equal-fourth in the Club's list of all-time European appearance-makers, alongside Pat Jennings and team-mate Hugo Lloris. Both Mousa (495) and Hugo (494) are also approaching 500 career appearances.
Jan is third on that lost with 37 behind Aaron Lennon (58) and Steve Perryman (64).
Ohhh @MousaDembele!