"Big Bang Theory" alum Kaley Cuoco shared photos from sister Briana's "gorgeous" wedding, which featured her 1-year-old ...

The “Based on a True Story” star, 39, officiated her younger sister Briana Cuoco’s wedding to Brian Logan Dales on Dec. 31, ...

Kaley Cuoco officiated her sister's wedding on New Year's Eve. The 39- year-old actress played a special role in her younger ...

Kaley Cuoco had a special role to play in her little sister’s big day! The Big Bang Theory star, 39, officiated the wedding ...

The Big Bang Theory star Kaley Cuoco has shared a sweet look at her sister Briana's wedding to Brian Logan Dales.

Rodin Eckenroth/Getty; Kaley Cuoco/Instagram Kaley Cuoco had the "best New Year's Eve to date," officiating her sister Briana Cuoco's wedding! In an Instagram post on Thursday, Jan. 2, the actress ...

Kaley ordained her sister Briana Cuoco's wedding to Brian Logan Dales, an undoubtedly special moment. Sharing photos with her partner Tom Pelphrey, Kaley wore a gorgeous floor-length red dress as ...

Kaley Cuoco went out with a (big) bang for New Year’s Eve. The “Based on a True Story” star, 39, officiated her younger sister Briana Cuoco’s wedding to Brian Logan Dales on Dec. 31 ...

While mom Kaley was busy with her officiating duties ... There was a nod to New Year’s Eve during the wedding, with fireworks projected on to the ceiling as the clock changed to midnight.

The Big Bang Theory alum helped marry her younger sister, Briana, in a sweet, New Year's Eve ceremony at the Cathedral of St. Vibiana in Los Angeles.

Kaley Cuoco helped her sister kickstart the new year with a big bang. “The best NYE to date,” the Flight Attendant star wrote on the Jan. 2 Instagram post. “I got to marry my sis and her ...