Several of Gunn and Holland's colleagues -- including The Suicide Squad's Viola Davis and David Dastmalchian, Holland's Peacemaker co-star Steve Agee, Guardians of the Galaxy star Karen Gillan and many others, shared their love and congratulations in the comments.
"Aaaaaaaahhh!!!!! Congratulations!!!!!" Davis wrote, while Agee remarked, "❤️❤️ love you both!"
Gunn and Holland have been dating since 2015. The filmmaker was previous married to The Office's Jenna Fischer from 2000 until their divorce in 2008.