She beat fellow-American Lindsay Davenport 2-6, 6-3, 6-0 in the final.
Lindsay Davenport hailed Serena Williams for delivering a 'powerful message' that shows it is possible to 'pursue personal goals even when you're a mum'.
Roger Federer and Serena Williams were named 2009 ITF World Champions on Tuesday after capturing four grand slam singles titles between them in 2009.
The showdown will see world number one Serena Williams try to equal Steffi Graf's professional era record of 22 Grand Slam singles titles, while Angelique Kerber will seek to become the first German woman to lift the Wimbledon singles crown since her idol Graf 20 years ago.
Patrick Mouratoglou said he and Serena Williams had decided not to do any on-court coaching, even at the tournaments on the professional women's WTA circuit where it is permitted.
Once a simmering volcano of emotions that could erupt at any moment, Australian Open champion Serena Williams appears to be heading down a path that may perhaps lead to her being renamed Serene.
Serena Williams summoned all her fighting qualities to beat Victoria Azarenka 4-6, 7-6, 6-2 at the Australian Open on Wednesday after sister Venus's exit. Li Na earlier stunned Venus to become just the second Chinese to reach the semi-finals of a Grand Slam.
World number one Caroline Wozniacki might have been better off asking Serena Williams about how to win the biggest tournaments instead of seeking guidance about relationships.
World No. 1 Serena Williams has been top-seeded for the U.S. Open where she will be seeking to win the women's singles title for a third consecutive year, the United States Tennis Association announced on Wednesday.
Challengers to Serena Williams' throne have proved as fickle as a Paris spring and as the year's second grand slam starts the veteran American is again seemingly in a league of her own. The 34-year-old's charge to overhaul Margaret Court's record 24 grand slam singles titles may have stalled since she chalked up major number 21 at last year's Wimbledon. But after fine-tuning her claycourt game by winning last week's Italian Open she will begin the defence of her French Open title as the strong favourite. With twice French Open champion Maria Sharapova suspended pending the findings of an anti-doping hearing after she tested positive for Meldonium in Australia this year, the list of players capable of toppling a fully firing Williams is short.
The top seed celebrated her 23rd birthday with a come-from-behind win over Russian Svetlana Kuznetsova in the final.
Serena Williams thrashed Russia's Dinara Safina 6-0, 6-3 on Saturday to win the Australian Open title and reclaim the world number one ranking. The American raced to victory in just 59 minutes to capture her fourth singles title at Melbourne Park, after her previous wins in 2003, 2005 and 2007, and her 10th Grand Slam overall.
The US Open turned over Arthur Ashe Stadium to the Williams sisters on Thursday for a prime-time first round doubles match that could have been Serena's last after the pair fell 7-6(5), 6-4 to the Czech duo of Lucie Hradecka and Linda Noskova.
Serena Williams is playing at another level, says beaten Agnieszka Radwanska
Serena Williams and Naomi Osaka will join Rafael Nadal and Novak Djokovic in playing a pre-Australian Open warm-up exhibition
Wozniacki battles past Kerber into Eastbourne final
Serena's coach said it had been a winding road following the birth of her daughter in 2017 to the kind of peak performance that brought her US Open success in the past.
A stone-faced Sharapova was left to ponder a 6-1, 6-1 drubbing that proved once again Williams has all the answers when the pair meet on court.
Serena Williams has withdrawn from next week's Stanford Classic due to a thumb injury, organisers said on Thursday.
Serena Williams proved an irresistible force once more as she powered past Maria Sharapova 6-4, 6-4 to win the French Open for the second time on Saturday - 11 years after her first triumph.
Images from Day 1 of the Australian Open in Melbourne on Monday.
The mercury was rising at Wimbledon on Saturday as the serial trophy hunters gathered in the last 16 with defending champions Rafa Nadal, Serena Williams and Roger Federer leading the charge.
Djokovic will next face Sinner in what will be his 46th Grand Slam semi-final, equalling the record of eight-time champion Roger Federer.
Her next opponent is tennis great and 23-times Grand Slam champion Serena Williams.
Images from Day 1 at the Australian Open.
The World No 2 announced her commitment to the social media entrepreneur shortly before the New Year and while it was "great", she was pushing it to the back of her mind, at least until after Melbourne Park.
Venus Williams said her sister Serena was a fighter and was determined to play on at the Australian Open, despite rolling her ankle in the first round, reports AFP.
The final will pit power against power when Andreescu takes on her childhood hero Williams, who claimed her first US Open title in 1999 before Andreescu was even born.
Serena Williams returned to the top of the WTA world rankings on Monday and immediately shared the news with her unborn baby.
As Serena Williams sits out a fourth straight Grand Slam, Simona Halep and Karolina Pliskova will join Caroline Wozniacki in a quest for a major breakthrough in Australia.
Images from the US Open women's singles final at Flushing Meadows, New York, on Saturday.
Serena Williams said the latest chapter in her tennis life was "just beginning" on Saturday after seeing her hopes of a record-equalling 24th Grand Slam title dashed in the Wimbledon final.
The peak remains tantalisingly close for Serena Williams but negotiating the final incline to a record-equalling 22nd Grand Slam singles title is proving the trickiest of all.
Serena Williams battled a misbehaving serve and scorching heat but stayed cool under pressure in a 7-5, 6-4 win over Czech Barbora Strycova to reach the Australian Open quarter-finals on Monday.
Images from Day 3 of the Australian Open in Melbourne on Wednesday.
Serena Williams battered Anastasia Pavlyuchenkova 6-4, 6-4 in the quarter-finals at Wimbledon on Tuesday, seizing on moments of weakness from the Russian to ram home her advantage.
Serena Williams launched a charm offensive on Sunday as she sought to broker a truce with Maria Sharapova and calm the storm surrounding comments she made about a rape victim.
Defending champion Serena Williams beat China's Li Na 6-0, 6-3 on Friday to reach her second consecutive US Open final.
A competitor lambasted the French Open as "one big circus" on Thursday as soggy weather once again came back to exasperate players seeking a foothold in the semi-finals of the rain-hit claycourt major.
Roger Federer is back at Wimbledon a few weeks after winning his seventh title there, opening his bid for Olympic gold against Colombian Alejandro Falla.