The 'Born This Way' singer and the 'Vampire Diaries' hunk went for a meal at Chicago restaurant Spiaggia on Sunday (05.08.12) to mark the special date.The couple were joined by four friends for the seafood feast, according to the New York Post newspaper.
Taylor, 31, has been in the city filming upcoming NBC drama 'Chicago Fire' and Gaga has made regular visits to Chicago to see her man.
Meanwhile, Gaga is to make her acting debut in 'Machete Kills'. The 26-year-old star has joined the cast of Robert Rodriguez's action movie - a follow up to 2010's 'Machete' - and will play La Chameleon in the film. She wrote on her twitter page, "Yes its true, I will be making my debut as an actress in the amazing MACHETE KILLS BY @RODRIGUEZ IM SO EXCITED!!! AH! Filming was insane. (sic)"Gaga also posted a raunchy photo of herself just yesterday in taking a dip in the pool with her beau on her social networking site LittleMonsters with the caption, "T and Me".