The "New Girl" star, who already has 18-month-old daughter, Elsie Otter, with Pechenik, was spotted with a baby bump while filming her new series on set, reported Us weekly.
The rumours of their second baby have been doing the rounds since December last year.
The couple got married in 2015. While, it is a first marriage for Pechenik, Deschanel was previously married to singer Ben Gibbard from 2009 to 2012.
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