Maria Sharapova 2011 Australian Open Attire at Breezes in Melbourne

TENNIS ACE Maria Sharapova has unveiled her new outfit for the 2011 Australian Open which is a huge improvement compared to what she wore in Melbourne last year.

Last year, the Grand Slam winner signed an eight-year contract with Nike worth 43 million pounds, making her the world''s most lucratively endorsed sportswoman. Check out 11 more images after the jump.

The grey and orange dress with racing back and adjustable straps is one of the outfits from her 2011 Nike collection and is unusually traditional for the tennis player who has a reputation for daring outfits, reports the Daily Mail.