Angelique Kerber is savouring her "crazy" ride to Australian Open glory after gatecrashing Serena Williams' party to become the first German grand slam champion since the great Steffi Graf.
Germany's Angelique Kerber caused an upset at the Australian Open tennis tournament when she stunned world number one Serena Williams to win the women's final two sets to one.
Six times a champion in Melbourne, Serena Williams went into the match a firm favourite and on course to make history.
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