Gavin Rossdale is making sure to release endorphins and get in that much-needed vitamin D, days after worrying fans with his concerning social media activity.

The 55-year-old Bush frontman shedded his plain white T while working up a sweat at a Los Angeles tennis court over the weekend, putting his toned and glistening dad bod on display for all to see.

The unexpected heat wave forced the camouflage short-wearing, hot-pink sweatband-sporting rocker to pull his sweaty locks back into a ponytail.

As always, he was accompanied by his trusty dog, Chewy, who he shared with his ex-wife, Gwen Stafani.

The next day, the 52-year-old No Doubt singer was seen out with the former couple's youngest son, 7-year-old Apollo, holding hands and visiting a donut shop. Gwen and Gavin also share 13-year-old son Zuma and 15-year-old son Kingston.

Earlier in the day, the songstress had celebrated the one-year anniversary of her engagement to husband Blake Shelton by sharing never-before-seen photos and videos of his proposal.

Days prior, all three musicians were in the same place at the same time, cheering on one of the three Rossdale boys at his baseball game in Studio City.

Gavin showed up alone while Gwen was spotted snuggling up to Blake, as the other two boys went back and forth between the exes. Despite the familiar faces, Rossdale and Stefani did not interact.

Still, it was good to see Gavin out then and it's good to see him out now, considering the alarming things he was posting online.