Swiatek outclassed Paolini by 7-5, 6-4 in a title clash which lasted an hour and 49 minutes, and she became the first-ever Polish player to win a singles' title at the competition.
Paolini downed Veronika by 6-3, 6-7 (2), 6-3. This is Paolini's second WTA 1000-level final and overall third. She won the previous two finals, the Italian Open in May this year and the Dubai Championships last year.
Poland's Iga Swiatek decimated America's Amanda Anisimova in a one-sided final to lift her first Wimbledon title at the All England Club on Saturday, making her a Grand Slam champion on all surfaces.
Swiatek made it to the finals by defeating Belinda Bencic of Sweden 6-2, 6-0 in the semifinal clash on Thursday, while Amanda knocked out world number one Aryna Sabalenka
At the Centre Court, in a clash of two-time Wimbledon semifinalists, Swiatek got the better of her opponent by 6-2, 6-0, needing just one hour and 12 minutes to eliminate her opponent.
Beating Badosa by 6-4, 6-2, the defending champion now has a chance to win her third Australian Open title. She also has a 20-match winning streak at Melbourne Park.
The world number two Iga Swiatek secured a place in the semifinals of the Australian Open, defeating world number eight Emma Navarro in the quarterfinals on Wednesday.