Bikinis were traded for dresses and heels as Australians flocked to pubs and bars in the final hours of Australia Day, with venues packed with punters hoping to continue the partying long into the night.
Beaches were packed with revellers from early in the morning until late at night on Wednesday as Sydney sweltered under temperatures in the high 20s and bright blue skies.
The harbour was filled with boats decked out with Australian and Aboriginal flags, soaking up the summer rays before watching a spectacular fireworks show off the Opera House.
Later on, Aussies were pictured wandering out of pubs and restaurants around the nation's capital cities as the public holiday celebrations drew to an end.
Meanwhile, thousands had marched through major cities in objection to the continuation of the day that acts as a painful reminder for the country's Indigenous population.
Revellers celebrate Australia Day late into the night on Wednesday (pictured in Melbourne) unfazed by the controversy surrounding the public holiday
A woman carries her heels as she leaves a bar in Melbourne after flash storms soured the Victorian capital's festivities
Millions of Australians celebrated the public holiday, but plenty refused to take part in what indigenous Aussies call 'Invasion Day' (pictured, revellers in Melbourne)
Punters sit on the road outside a popular Bondi pub on Wednesday night after Australia Day celebrations lasted long into the night
Police attend a bar in Bondi as revellers queue up to continue their Australia Day celebrations into the late hours of Wednesday
Sydney saw a picturesque Australia Day, with temperatures ranging from the mid to high 20s throughout the city.
Hundreds of thousands packed its beaches from Manly to Coogee, with parties in Bondi lasting into the night.
North Bondi's grassy knoll saw a huge dancefloor break out late in the afternoon, with speakers and a DJ rolling up providing the soundtrack to the public holiday's sunset.
Police had a heavy presence across the city, but minimal incidents were reported outside of the anti-Australia Day rallies.
Sydneysiders were pictured crawling out of bars and restaurants late on Wednesday night as the reality of work set back in.
Sydneysiders were pictured crawling out of bars and restaurants (pictured in Sydney's Bondi) late on Wednesday night as the reality of work set back in
Two women walk home barefoot after rowdy Australia Day celebrations while a couple were pictured kissing while waiting for a bus on Campbell Parade in Bondi on Wednesday night
Two extravagantly dressed women leave a bar in Bondi after celebrating Australia Day, as thousands came out to enjoy the day off work
People party on the grassy knoll in North Bondi on Wednesday night as the hill turned into a dancefloor - which carried on late into the evening
A man pets a mounted police officer's horse in Melbourne's St Kilda on Wednesday night as officers came out in force to monitor the celebrations
A man wearing an Australia-themed bucket hat queues up to enter a bar in Bondi on Wednesday night after a scorching hot Australia Day
Melbourne saw heat in excess of 30C around the city, with storms trickling through later in the afternoon causing delays at the Australian Open.
Showers swept across the city at varying times throughout the day, interrupting Australia Day celebrations and protests.
The Grand Slam tournament moved closer to its completion, with the semi-finals for the mens and womens singles locked in, as well as Nick Kyrgios and Thanasi Kokkinakis set to play for their place in the doubles final.
Brisbane saw a mild Australia Day with temperatures sitting around the early to mid 20s, while Perth had another sweltering 27C day.
The controversy around the day appeared lost on millions of Australians who lined the harbours and beaches around the country to get a glimpse at the festivities and enjoy the summer sun.
Punters party on Bondi Beach's grassy knoll as scenes turned wild on Wednesday afternoon as people partied into the night