Courtesy Linda Cardellini
06/10/2013 AT 11:20 AM EDT
That's one blinged-out baby.
After announcing her engagement
Friday morning, Linda Cardellini gave fans a peek at her ring – but let her 15-month-old baby girl
do the honors.
"My daughter Lilah-Rose wants everyone to know that her mommy and daddy are getting married..." Cardellini Tweeted that evening
, sharing a photo of her little one wearing the diamond.
The Mad Men
star, 37, says fiancé Steven Rodriguez's proposal
came as a bit of a shock.
"I was surprised that it was happening at that moment," Cardellini says. "We were sitting, and he started getting choked up and then got on his knee. It was very beautiful."