Chrissy Teigen, John Legend

In this Aug. 30, 2015 file photo, Chrissy Teigen, left, and John Legend arrive at the MTV Video Music Awards in Los Angeles. Teigen and Legend announced on their Instagram accounts, Monday, Oct. 12, that they are expecting their first child. (Photo by Jordan Strauss/Invision/AP, File)

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.