Kat Dennings and Andrew W.K. revealed that they're now engaged. On Thursday, the actress posted three photos showing off her new engagement ring with the caption, “Don't mind if I do.” In the images, which the rock star also shared to his own account, the pair can be seen holding hands, kissing, and generally reveling in the happy news. W.K. also posted a montage of glamorous red carpet footage of his now-fiancée on his Instagram Stories, as well as a gif of himself pumping his fists in celebration. Four days prior to this announcement, Dennings wished her fiancé a happy birthday by sharing a photo of the two of them kissing, and last week, they confirmed their relationship with a photo of W.K. kissing the actress gently on the forehead as she pouts her lips at the camera. Dennings previously dated