Pink is back with new music!

The new mom took to Instagram on Friday to share a sweet selfie of herself accompanied by her two-month-old son Jameson, thanking fans for their support of her new song, "Waterfall."

“We just wanted to say ‘hey thanks!’ To Sia and stargate and all the lovely humans showing us so much love for our little song on the radio,” she captioned the sweet post. “I love singing, I love Sia, I love this little guy and I'm stoked you all love it. Carry on.... TGIF #waterfall #love”

WATCH: Pink Adorably Throws Daughter Willow a 'Big Sister Party' to Celebrate Son's New Arrival

The 37-year-old singer joined forces with powerhouse vocalist Sia and Norwegian production duo Stargate for the new single. The fun, upbeat track is the first from Pink since giving birth to Jameson in December.

Listen to the new song below.

RELATED: Pink Hits the Gym, Says She Has 30 Pounds to Lose 8 Weeks After Welcoming Son Jameson