Chelsea have completed the signing of Andre Schurrle from Bayer Leverkusen after the Germany forward penned a five-year contract.
The 22-year-old moves to Stamford Bridge from the Bundesliga club, whom he joined back in 2011, following the completion of legal documentation and related matters, including personal terms and a medical.
It was announced on June 13 that Chelsea and Leverkusen had reached an agreement for the transfer but formalities have finally been completed with Schurrle given the club's No 14 shirt.
After representing Germany at both U19 and U21 level, the young attacker earned his first call-up to the senior squad in November 2010, while at Mainz, whom he joined from Ludwigshafener in 2009.
He was handed his debut as a late substitute in the friendly against Sweden and has scored seven goals in 24 appearances for his country.
In his first season with Leverkusen he scored nine times in 40 appearances and last term he netted 14 in 43 and told the Chelsea website: "I am so happy now I have signed and it is an honour for me to play for this club, with this team and for these great fans.