The bride-to-be had her bridal shower on Saturday, according to multiple reports. Schwarzenegger's mother, Maria Shriver, threw her daughter the intimate party at her home, with about 30 family and friends, including Oprah Winfrey, People reports. Pratt, 39, also reportedly made an appearance at the celebration.
The shower came after Pratt and Schwarzenegger, 29, made their red carpet debut on Monday at the Avengers: Endgame on Monday in Los Angeles. The two couldn't have looked happier as they posed for the cameras, with the brunette beauty in a stunning silver dress.
The couple got engaged in January after months of dating. "Sweet Katherine, so happy you said yes! I’m thrilled to be marrying you. Proud to live boldly in faith with you. Here we go! ??♥️," Pratt wrote on his Instagram.
Schwarzenegger shared the same photo, writing: "My sweet love. Wouldn’t want to live this life with anyone but you."
A source told ET that the couple "couldn't be happier" to be engaged.
"Since the two started dating it has always been easy for them," the source said. "They’ve been on the same page with everything and what they want their future together to look like. Chris and Katherine are intertwined in each other’s lives and are excited for the next step."
ET spoke with Schwarzenegger back in March, where she gave an update on her wedding planning. Watch below to hear what she shared.