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The Chelsea midfielder is wearing a new Mohawk-style braid ahead of their game at Estadio Vicente Calderon on Tuesday

Chelsea midfielder John Obi Mikel is wearing a new hairstyle ahead of his club's Uefa Champions League semi final clash with Atletico Madrid on tonight.

The Nigerian who turned 27 on Tuesday was spotted with a new look Mohawk-style braid at the club's Cobham training ground on Monday.

Having won a variety of hairstyles over the years, this new look is the most audacious the laidback midfielder has had.

Mikel moved to Chelsea as a shy 19-year-old in 2006 and has made 310 appearances for the Blues.

However, he has seen his appearances limited since the return of Jose Mourinho to Stamford Bridge this season.

As Mikel celebrates his birthday, we present to you the changing faces of the player over the years. These images show how he has grown from that shy youngster who moved from Lyn Oslo to Chelsea and who has become Nigeria's midfield general.

                                                   Mikel at 2005 Fifa U20 World Cup

                                                                  Mikel at Lyn Oslo

                                                              The early days at Chelsea

                                                           A confident Chelsea man

                                                          Mikel as Nigeria's midfield general

                                                                 Mikel the fans' favourite