04/10/2008 AT 03:00 PM EDT
Pregnant wife Nicole Kidman
was out of sight but not out of mind for Keith Urban
during his latest stop on the "Love, Pain & the Whole Crazy Carnival Ride" tour.
"I'm gonna be a dad soon, and it only took me 40 years!" Urban told a cheering crowd at the 1st Mariner Arena in Baltimore, Md., Wednesday night. To mark the occasion, the soon-to-be dad accepted a special gift from a fan – a purple and black Baltimore Ravens onesie, which he hung from his microphone stand as he sang the love ballad "Somebody Like You."
And the love just kept on comin': Urban hopped offstage to sing in the stands with fans and autographed a guitar for one lucky concertgoer.
As he did during his pre-Valentine's Day concert
at Madison Square Garden, the singer took a seat at the keyboard and dedicated his song, "Got It Right This Time," to "my extraordinary wife."
Meanwhile, a newly single Carrie Underwood
, who is touring with Urban, strutted on stage in thigh-high black boots and lamented about her romantic life.
"I don't know how y'alls' dating life is, but mine's not so great," said the singer, who recently split
from beau Chace Crawford.
But not to worry, she added, she has another love-of-her-life waiting in the wings – her pet pooch Ace: "I have found him, and he's a foot tall and he's fuzzy."
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