LOS ANGELES (AP) — John Legend and Chrissy Teigen are expecting their first child.

The 36-year-old musician and 29-year-old model announced the pregnancy Monday on Instagram. A spokeswoman for Teigen confirmed the social media post.

Legend and Teigen revealed the news by posting a black-and-white photo of themselves with the caption: "We're pregnant!"

Teigen wrote that conceiving a child hasn't been easy for the pair and that they are looking forward to growing their family.

The "All of Me" singer-songwriter and "FABlife" co-host have been married since 2013.

(© Copyright 2015 The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed.)