Red carpet official, baby.
On Sept. 29, Josh Duhamel's pregnant wife Audra Mari debuted her baby bump as the couple stepped out at the grand opening of the new Las Vegas Sphere arena, where they attended the first concert of U2's new residency.
The model, a former Miss World contestant, wore a cream fringed dress and tan suede ankle boots on the pair's date night, while the Transformers actor sported a black blazer, matching pants and a tan shirt.
Audra shared several videos from their night out in Las Vegas, including a mirror selfie and a video of herself and Josh singing along to U2's "With or Without You." She wrote on Instagram, "I sure love youuuuu @joshduhamel."
Audra, 29, and Josh, 50, announced her pregnancy Sept. 11, a day after the celebrated their first wedding anniversary.
"I am truly happy for you guys," the singer commented on Josh and Audra's pregnancy announcement on Instagram. "Axl can't wait to be a big brother."
Josh also recently revealed what their son had told him about his feelings about gaining a sibling.
"He's like, 'Wait, now, am I going to be—You're still going to love me, though, too, right?'" the Shotgun Wedding star told Parade in an interview published Sept. 21. "I was like, 'Of course I'm going to still going to love you.' And he's like, 'I'm still going to be your firstborn son, though, right?' I'm like, 'Yeah, you're still the firstborn son!'"
Josh added, "He's really good with younger kids. So I think he's going to be a great older brother."
Look back at Josh and Fergie's family moments with Axl through the years: