New Delhi, Feb 17 (ANI): Lady Gaga has announced her engagement with four year long boyfriend Taylor Kinney. The 'Bad Romance' singer posted a picture of her heart shaped ring on Instagram and captioned it that the 33-year-old actor gave his heart to her on Valentine's Day, a leading daily reported. The 28-year-old pop-star and the 'Chicago Fire' actor celebrated their engagement with a dinner at the singer's family's restaurant, Joanne's Trattoria. Gaga posted a picture of bunch of roses on Instagram on Valentine's Day and captioned it that this is the best present that any man can gift his love.