"Thank you all so much for the birthday wishes and love!" the Cuban star wrote alongside a variety of emojis, including a rainbow, hearts and flowers. Un brindis por otro año maravilloso.
The pair were celebrating in a desert location and one of the images shows Affleck with his arms around Armas, who will be a Bond girl in new 007 movie No Time To Die. Affleck can be heard cheering her on in the background. In the second pic with Affleck, the couple was facing away from the camera and enjoying a sunset.
Reports swirled the Deep Water co-stars were an item in March when they were spotted smooching at the airport.
Affleck appeared to have pulled out all the stops for his new love's big day, presenting her with a chocolate birthday cake, and ensuring her house was decked out with dozens of colourful balloons.
After they wrapped capturing on the challenge, de Armas and Affleck vacationed in each her residence nation of Cuba and Costa Rica.
"I love it!" the actor says. Fans also posted photos of the two exploring the city together while an onlooker reportedly overheard the couple speaking in Spanish, a language the Accountant superstar is fluent in.
The couple, who is said to have met during the shooting of the thriller "Deep Water" last year, had previously been spotted on a vacation together in Cuba, home to de Armas.
"Ben always seemed very relaxed and happy around Ana, but at the time there were no signs of romance".
China reports one new coronavirus case versus 12 a day earlier
Similarly, "As Australia calls for an independent inquiry into the pandemic , [China] threatens to cut off trade with Australia". Gauden Galea stated the group has not been allowed to join Beijing's probe despite its repeated requests.