For her sisters Rumer Willis, 36, and Scout Willis, 33, their sister’s romance is a dream come true.
“The most beautiful love to witness and watch grow,” Rumer wrote. “I love you both so much. Justin I’m so lucky I get to call you my brother. Baby Lula my gift my queen my heart is so full. Obsessed with you both.”
Added Scout on Instagram Stories, “My angels are engagedddddddddddddd.”
Plus, dad Bruce’s wife Emma Heming Willis—who shares daughters Mabel, 12, and Evelyn, 10, with the actor—got in on the celebration by dropping several red heart emoji’s underneath Tallulah’s post.
To see how more stars are ringing in the holidays (perhaps with a new ring), read on…