The answer...will unfortunately not come from the actor. The Chicago Fire star remained coy when asked about their wedding date in an interview with E! News this week, ahead of the release of his new horror movie, The Forest, which hits theaters on Friday.
As for the planning, you can guess who's calling the shots.
"I leave it to her," he said.
Kinney, 34, and Lady Gaga, 29, got engaged last Valentine's Day, during which he proposed with a diamond ring that marked the day perfectly.
The two began dating after meeting on the set of the singer's 2011 music video "You and I." They have often made red carpet appearances together. Kinney and Lady Gaga will make another one this weekend, at the 2016 Golden Globes. The singer is nominated for her first Golden Globe, for her performance as The Countess in FX's American Horror Story: Hotel.
As expected, Kinney said he is rooting for her to win. Fans are also waiting in anticipation to find out what the singer, known for her eclectic and glamorous looks, will wear at the event.
The singer has never walked a Golden Globes red carpet before but did attend an after party after the 2014 ceremony with Kinney. At the time, she wore a strapless, beaded silk gold and white gown.
For more interviews with your favorite stars, watch E! News weeknights at 7 and 11 p.m. only on E!