Are Jamie Foxx and Katie Holmes really together? It seems as though, since the two were spotted, once again, in public. 

The two rang in Foxx's 50th birthday on Wednesday, Dec. 13 in Los Angeles. Months after they were seen taking a stroll on the beach, hand in hand, the couple was seen arriving at Paramount Pictures together.

"They mixed and mingled with other guests and spent little time alone," a source said.

Upon their arrival, Foxx celebrated his birthday at the Highlight Room in Hollywood with close friends and daughters Corrine Fox and Annalise Bishop.

 Foxx and Bishop presented their dad with a custom birthday cake that featured a throwback pictures of Foxx on the top and the caption, "Happy 25x2."

One of Foxx's close friends and co-stars, Garcelle Beauvais took to Instagram to wish the actor a Happy Birthday. Beauvais posted a picture of the two, with the caption, "#happybirthday we love J. #friendsforlife"

Foxx also took to Instagram to thank his family, friends and fans for all of the special birthday wishes.

In August 2013, Rumors swirled when Foxx and Holmes were spotted arm in arm at the 4th Annual Apollo In The Hampton Benefit. The couple has always denied rumors, but fans of the two have finally received their confirmation.

When asked directly about her love life, Holmes refuses to answer. "That's not something I want to answer," Holmes told MORE Magazine.

Claudia Jordan, a former Real Housewives of Atlanta star, who is friends with Foxx made claims that Foxx was currently dating Holmes.

"I love that he seems very happy," Jordan said in a podcast. When asked about the couple again, Jordan said, she "misspoke."

In September, the private duo was seen taking a romantic stroll on the beach in Malibu, California. Recently, the two were seen at the opening of Prive Revaux store. Foxx was one of the many celebrities involved in the eyewear brand. The couple arrived separately, but it was obvious that Holmes was there to support her beau.

On Wednesday night, Foxx and Holmes were both camera shy as paparazzi caught them on their way out of the celebration. How long will these two keep their romance a secret?

Sources say, Holmes has made it clear that she wants to go public, but it's Foxx that rather keep things a secret.