The couple who got engaged earlier this year have secretly tied the knot, close to the birth of their little bundle of joy, reported People Magazine.
Representative of the 35-year-old confirmed the news.
The baby girl was reportedly born in Austin, Texas, in late July.
Earlier this year Deschanel, 35, confirmed that she and producer Pechenik were engaged and expecting a baby together.
The couple began dating in mid-2014.