The possible couple even sat with Simmons' ex-wife Kimora Lee Simmons.
Their 16-year age gap may surprise some, but Uncle Rush has been known to date younger women.
Simmons was last linked to model Hana Nitsche, who is 30 years his junior.
The pair were last seen together in July, enjoying each other's company in Malibu.
It's by Idan Cohen, whose collections are full of similar intricately embellished gowns like this blushing pink number.
Though sadly unavailable to buy online, you can emulate Shannon's couture look with our fave lookalikes in our edit below.
The duo, looking glamorous for the event, attended one of the big afterparties and posed together for pictures.
The actress posted one of the snapshots on her Who Say page, "At the Miramax party for the Golden Globes w/@Uncle RUSH-waiting for the show to begin...luck to all the nominees!
After the September 11 attacks, Elizabeth recorded a public service announcement in which she said, "I'm half Arabic [sic], but I am 100 percent American.
What is going on affects me the same as everyone else." is dedicated to rescuing and finding a home for homeless pets, reducing pet overpopulation, promoting responsible pet guardianship and preventing animal cruelty.
Shannon also featured in Chris Brown's "Next to You" music video as Brown's girlfriend in 2011.
At that time, she visited the Las Vegas Valley up to three times each month to participate in poker games with top players.
"Although the two seem fairly platonic in their picture, E!