Robbie Amell is engaged to actress girlfriend Italia Ricci, the Flash actor announced via Instagram on Wednesday, Aug. 20 Credit: C Flanigan/FilmMagic

Both Amell hunks are officially taken! Robbie Amell, the younger cousin of actor Stephen Amell, is engaged. The Flash actor announced he's set to wed actress girlfriend Italia Ricci via Instagram on Wednesday, Aug. 20.

"She said yes!!!... I think. I can't really be sure," the 26-year-old captioned a sweet snapshot of the two kissing. "I'm going marry my best friend. @italiaricci."

Amell and the ABC Family Chasing Life star, 27, celebrated their six-year anniversary last month. "Happy 6 year anniversary to my favorite person in the entire world. I love you so much," Ricci wrote via Instagram on July 19. "Also, you're pretty good-looking. @robbieamell."

Amell previously starred in The Tomorrow People, which was cancelled after one season back in May. He was cast in the lead role of The Flash for The CW in June. Amell's cousin Stephen, 33, plays Oliver Green on the network's TV series Arrow. He and his wife, former America's Next Top Model contestant Cassandra Jean, are parents to 10-month-old daughter Mavi.