No longer burdened by expectation, big-stage reveller Garbine Muguruza has emerged as tennis's next superstar with a watershed Wimbledon final triumph.

Muguruza denied Venus Williams a fairytale sixth crown at age 37 with an explosive 7-5 6-0 win to add the sport's most famous trophy to her 2016 French Open title.

Victory also atoned for a painful loss to Williams's sister Serena in the 2015 final at The All England Club as the 23-year-old became the first player to conquer both American siblings in a grand slam title decider. 

"When I knew I was playing Venus in the final, I was actually looking forward for it," Muguruza said, having brought down Serena at Roland Garros last year.

"People were surprised when I said in the French Open that I (wanted) Serena in the final.