Gwen Stefani's Ex-Husband Gavin Rossdale Still Wearing Wedding Ring

Gavin Rossdale may be newly single, but his jewelry suggests otherwise.

The 50-year-old Bush frontman was spotted grabbing coffee in Studio City, California, on Friday, still sporting his wedding band, an insider confirmed to ET.

WATCH: Gwen Stefani Is Still Legally Married to Gavin Rossdale

Rossdale announced his divorce from Gwen Stefani in August. The couple, who were married for 13 years, have joint custody of their three kids together -- 9-year-old Kingston, 7-year-old Zuma and 1-year-old Apollo.

Following his split from the No Doubt singer, Rossdale has kept a low profile. Stefani, on the other hand, has been the center of attention lately, especially after confirming her relationship with fellow Voice coach Blake Shelton on Wednesday. This coffee run was the first time Rossdale was spotted out since the official announcement of Stefani and Shelton's coupling. 

Stefani's new romance comes only four months after she and Rossdale called off their marriage. Her new beau also went through the same situation this summer, with Shelton announcing his divorce from country singer Miranda Lambert in July. 

WATCH: EXCLUSIVE: Gwen Stefani Breaks Silence on Blake Shelton Relationship

Though she's clearly not letting it get in the way of her new relationship, Stefani, 46, is still legally married to Rossdale. As ET previously reported, the two have settled their divorce but are still waiting for a judge to officially sign off on it. 

Two days after Stefani and Shelton confirmed their status as a couple, the "Used to Love You" singer opened up about her 39-year-old "cowboy" boyfriend in a new interview with Dallas/Fort Worth radio station 103.7 KVIL that was shared exclusively with ET.

WATCH: Gwen Stefani Sheds Light on the Final Years Leading Up to Gavin Rossdale Divorce

"He's a pretty rad guy, I have to say that," Stefani told #Uncorked hosts Leigh Ann and Courtney in the interview airing on Monday at 4 p.m. CT.

Stefani also revealed that following her split from Rossdale, she looked to her fellow Voice coaches for help. "There's been loads of people that have helped me with this tragedy," she explained. "There's definitely key people that have pointed me into the right direction. Blake really helped me. Not to change the subject, but it's kinda on the same subject, Pharrell was literally like a guardian angel."

Watch the video below to hear more.