This was her 23rd Grand Slam singles title, surpassing Steffi Graf's Open Era record of 22.
Six-time Australian Open victor Djokovic still remains highly doubtful for the Australian Open but will be travelling to Australia to compete in the Tie Break Tens at the Margaret Court Arena at Melbourne Park on January 10.
She played in an exhibition tournament last week in Abu Dhabi and indicated after her loss to French Open champion Jelena Ostapenko that she might not make it to Melbourne.
Kim Clijsters returned from retirement after having a daughter, Jada Elle, in February 2008, and won the 2009 U.S. Open in her third tournament back.
Jewish attorney for Roy Moore's son said he voted for Doug Jones
His campaign issued a statement saying, 'We look forward to transparently discussing these matters in a court of law'. A phone message left by AL.com at the office of Moore attorney Trent Garmon was not immediately returned Thursday.
Williams past year beat older sister Venus in the final.
After Andy Murray and Kei Nishikori, Serena is the third big name to pull out of the season opening Grand Slam, starting later this month.
Venus has returned and is playing in Sydney next week to prepare for the Australian Open, which begins January 15.
Serena also said that she was disappointed to withdraw but looked forward to returning in the future.
Caitlyn Jenner doesn't trust Kardashians
Morgan, however, insisted that he brought out the doll for a "genuine education", and asked, "How does your physique compare now". We were all pretty shocked when we found out that Caitlyn Jenner was sitting down for a chat with Piers Morgan .
"It was never going to be good enough for her to just compete, she wants to give herself the best chance to win", Tiley said. "I appreciate the support and understanding of my fans and everyone at the Australian Open".
Tennis star Serena Williams has just announced her withdrawal from the 2018 Australian Open.
Serena will lose the 2,000 points earned winning last year's final over her sister Venus, which means she won't have any WTA ranking point by January 29.
Haley Warns Palestinians: No Talks, No Aid
Should the talks be held on January 9, it would be the first such dialogue since a vice-ministerial meeting in December 2015. Since 2008, photographer Eric Lafforgue ventured to North Korea six times.