Alec and Hilaria Baldwin expecting second child

Alec Baldwin and Hilaria Baldwin attend the Elton John AIDS Foundation's 13th Annual An Enduring Vision Benefit at Cipriani Wall Street powered by CIROC Vodka on Oct. 28, 2014, in New York.

Neilson Barnard/Getty Images for CIROC Vodka

Alec Baldwin and his wife, Hilaria, shared some big news on New Year's Day -- they're expecting baby No. 2.

The couple made the pregnancy announcement Thursday in an Instagram post that also features their 1-year-old daughter, Carmen.

"2015 is going to be very exciting as we are thrilled to announce we are expecting another little addition to our family!" Hilaria Baldwin, 30, captioned the sunset photo.

The "30 Rock" actor, 56, married the yoga instructor and "Extra" lifestyle correspondent in June 2012. He also has a 19-year-old daughter, Ireland, with ex-wife Kim Basinger.