Mila Kunis, Ashton Kutcher Attend Actor's Twin Brother's Wedding

Mila Kunis and Ashton Kutcher reportedly attended his twin brother's wedding together on Saturday.

The Hollywood couple, who began dating in 2012, traveled to St. Simons Island, Ga. to witness Kutcher's fraternal twin Michael, 35, wed Katie Hightower. Kutcher took to social networking site Twitter to share a photo of the Island but did not mention the wedding, People magazine reported.

"Foggy day at a beautiful sea island," Kutcher tweeted.

Michael, who was born a few minutes after his famous brother, was diagnosed with a "mild" case of cerebral palsy at age 3. He and the "Two And A Half Men" actor are said to be very close.

"I consider [Ashton] my best friend," Michael said previously.

(Photo: Reuters/Danny Moloshok/Files)Actress Mila Kunis poses at the benefit gala for the 50th anniversary of St. Jude Children's Research Hospital in Beverly Hills, California, January 7, 2012.
REUTERS/Paulo WhitakerU.S. actor Ashton Kutcher presents a creation from Colcci's Summer 2012 collection during Sao Paulo Fashion week

The wedding comes more than one month after Kutcher, 35, and Kunis, 30, attended the actress' brother's wedding together in Florida.

The wedding celebrations have raised questions about when exactly the couple plans to exchange vows on their own big day.

In November Kutcher finalized his divorce from actress Demi Moore, 51, and sources claim the "Jobs" actor sees no reason to wait to propose to Kunis.

"They talk about getting married and having kids. An engagement is imminent. He knows he ended up with the right girl," a source told Us magazine with another adding that they are "inseparable."

The "Ted" actress, who once dated actor Macaulay Culkin for a decade, previously hinted that she is ready to settle down with Kutcher. The actor was married to Moore for six years.

"I do want a family ... I'd rather be in love and have a baby than a movie," Kunis told Glamour Magazine in 2012.

In early December, Kunis debuted a gold ring on her left hand while running last-minute errands ahead of her brother Michael's wedding. Just months prior in September she was photographed wearing a similar gold band on her ring finger during an outing in Studio City, Calif., which fueled engagement speculation.