Australian Open organisers issued a stinging rebuke to John McEnroe and Martina Navratilova after they joined forces to protest about Margaret Court and her controversial views.

Ash Barty's face is all over Melbourne endorsing range of products as she moves towards becoming the first homegrown female champion at the Australian Open in 42 years.

MIKE DICKSON IN MELBOURNE: By now Roger Federer should have been back in Switzerland, embarking on the family skiing holiday he has planned.

The former world number one said he's been supporting Kyrgios from the sidelines since he was an up-and-coming teenager.

MIKE DICKSON IN MELBOURNE: The quarter-final action in the men's and women's singles at the Australian Open continued on Wednesday.

Today host Karl Stefanovic and his wife, Jasmine Yarbrough, are expecting their first child together in May.

Italian chef Andrea Tranchero has dished out the exact meal Roger Federer eats before every game at the Australian Open - as he shares the 'match winning' recipe.

She has kept a relatively low profile after retiring from her incredible sprinting career.

Rebel Wilson was spotted greeting Olympic sprinter Cathy Freeman at the Australian Open in Melbourne on Thursday.

She's the model and Myer ambassador who spends most of her free time at the beach in Byron Bay. 

She became a household name after starring in reality renovation programs Selling Houses Australia and The Block. 

She's graced Australia's small screens for over 25 years.  

MIKE DICKSON IN MELBOURNE: Despite facing a partisan crowd on the Rod Laver Arena the 32-year-old Serb showed again just how hard he is to beat at a venue where he has won seven times.

He's known to be one of the greatest cricketers in the world.  

The Pitch Perfect star, 39, looked stylish in an emerald green satin shirtdress, which featured a belted waist, accentuating her recent weight loss even more.

They're two of Australia's funniest ladies, and on Thursday, Rebel Wilson and Magda Szubanski teamed up for the AO Inspirational Series Lunch at the Australian Open in Melbourne.

MIKE DICKSON IN MELBOURNE: Joe Salisbury's 18-month journey from obscurity to Grand Slam winner is one step away from completion after he reached the Australian Open final.

MIKE DICKSON IN MELBOURNE: Every time Roger Federer loses to Novak Djokovic at a Grand Slam, his mind will surely wander back to Wimbledon last summer and the one that got away.

The mercury will hit 38C in western Sydney but Melbourne will be the hottest capital city as temperatures soar to 43C this afternoon, creating gruelling conditions for the Australian Open tennis.

The 23-year-old lost her semi-final match in 40 degree heat to American Sofia Kenin in Melbourne on Thursday, going down in straight sets.

Dylan Alcott and Heath Davidson just won their third consecutive Australian Open quad doubles title together in straight sets.

Kia ball kid Charlie Brady, who has been on the court during the Australian Open in Melbourne, said he has had tennis players yell at him, and said some of them can often be 'disrespectful'.

She raised more than $50million for the bushfire victims earlier this month. 

MIKE DICKSON IN MELBOURNE: It seems an age since Britain's singles challenge fizzled out at the Australian Open, but this weekend brings the promise of two Grand Slam doubles titles.

She has raised a record-breaking $52million for Australian bushfire relief efforts.

MIKE DICKSON IN MELBOURNE: Jamie Murray agonisingly missed out on the chance to become Britain's most decorated Grand Slam player after a mixed doubles final defeat.

The Serb was just 16 years old when Federer claimed his first Grand Slam title at Wimbledon in 2003 but now is on the verge of moving to within three Slam triumphs of the Swiss.

MIKE DICKSON IN MELBOURNE: The 27 year-old from Putney will now rise to a world ranking of number four after he and partner Rajeev Ram dismissed Luke Saville and Max Purcell in the final.

The world number two appeared to be frustrated about the overwhelming crowd support for Austrian opponent Dominic Thiem in the opening stages of the final on Rod Laver Arena.

Barry Humphries tempted fate on Day 14 of the Australian Open on Sunday, when he indulged in a precarious desert.  

Elyse Knowles and her beau Josh Barker, have been together for six years.

Fans were quick to vent following Human Nature's divisive performance at the Australian Open on Sunday night.

MIKE DICKSON IN MELBOURNE: Novak Djokovic is up to Grand Slam title No 17 and in a tearing hurry to stake his claim for being considered the best player ever.

She confirmed her split from businessman Theo Chambers in November. 

A who's who of Australian celebrity identities flocked to Melbourne's Rod Laver Arena on Sunday to see Serbian Novak Djokovic take on Austrian Dominic Thiem on Australian tennis' biggest night.

My Kitchen Rules: The Rivals premiered on Sunday night to record low ratings.

Novak Djokovic erupted in anger during his Australian Open final win over Dominic Thiem, venting his anger directly at umpire Damien Dumosis after being hit with a second time violation.

The 24-time tennis grand slam winner from WA is bitterly disappointed over her treatment at the Australian Open, where she was not allowed to give a speech at a presentation in her honour.

Novak Djokovic looked like he had earned his break as he enjoyed a skiing holidat with his family in northern Italy.

The Holiday Guru is always on call to answer your questions. This week's topics also include how to travel to Turkey for the Nomad Games and how to book tickets to the Australian Open tennis.

Wimbledon and US Open doubles champion Robert Farah has escaped a ban despite being found to have breached tennis' anti-doping programme regulations.

Johanna Konta's search for a first victory since the US Open goes on after she was beaten by 159th-ranked Oceane Dodin in the second round of the St Petersburg Ladies Trophy.

Upon spotting the children playing tennis in the streets without a net, the Serbian star decided to join them. saying afterwards: 'That's how we all started - I invoke these situations.'

Gauff, who reached the fourth round on her Australian Open debut, emulates Bulgarian Sesil Karatantcheva, who made the top 50 at the same age in August 2005.

Tim Howard's popularity in the United States has led to a White House petition being lodged requesting the Ronald Reagan Washington National Airport is renamed after him.

World Cup-winning captain Cafu has sensationally claimed that he was thrown out of the Brazil dressing room after their 7-1 thrashing by Germany.

USA captain Clint Dempsey appeared on The Late Show with David Letterman on Wednesday night in a further indication of the rise in popularity of football in America.

Atletico Madrid manager Diego Simeone unintentionally told the wife of World Cup journalist Jorge 'El Topo' Lopez that her husband had been killed in a car crash in Sao Paulo on Twitter.

Jose Mourinho believes Lionel Messi is not the greatest player of all time, and not even a man-of-the-match performance in the World Cup final will change that.

Holland winger Arjen Robben has insisted Argentina have zero chance of beating Germany in the World Cup final on Sunday.