Jessica Blair Herman, Allen Leech's wife, debuted with her baby hump when the pair hit the red carpet on Monday for the world premiere of Downton Abbey.
The American actress, 38, showed off her pregnancy curves in a glittering gold sequin dress and rocked her hump while posing next to Allen, 38.
Allen, who plays Tom Branson in the film from the historical period, shone with pride as they walked the red carpet.
Expected: Allen Leech's wife, Jessica Blair Herman, debuted with her baby hump when the couple hit the red carpet for the world premiere of Downton Abbey, which was held in London on Monday
Jessica's bump was visible under the dress down to the floor, which was decorated with thousands of golden sequins and had small cut-out details.
The All In star rocked her bump while posing for photos and supplemented her glamorous look with a pink quilted envelope bag and sparkling silver earrings.
Meanwhile, Allen cut a brave figure in a beautiful black suit with silk lapel and bow.
Over the moon: Allen, who plays Tom Branson in the film from the historical period, shone with pride as they walked the red carpet
Oh, baby: the American actress, 38, flaunted her pregnancy curves in a glittering gold sequin dress and rocked her hump while posing next to Allen, 38
The couple, who had a knot on January 5 at Alisal Ranch and Resort in the Santa Ynez Valley in California, are expecting their first child together.
MailOnline has contacted Allen & # 39; s representatives for comment.
Guests included his Downton co-star Michelle Dockery and Dan Stevens and his Bohemian Rhapsody co-star Rami Malek, while Lea Michele and Darren Criss van Glee performed in the bash.
Bumpend: Jessica & # 39; s bump was visible under the floor length dress, which was adorned with thousands of golden sequins and provided with small cut out details
Radiant: with her bulge as she poses for photos, the All In star complemented her glamorous look with a pink quilted envelope bag and sparkling silver earrings
Power pair: Meanwhile, Allen cuts a neat figure in a nice black suit with silk lapel and bow
The Irish actor, who played Freddie Mercury's manager and friend Paul Prenter in the biopic Queen, admitted that he would never forget the moment he saw his wife as she walked down the aisle.
He told Hey! magazine: & # 39; That moment of seeing Jessica, oh my god, it was magical. It will stay with me forever. & # 39;
The couple had planned a sun-drenched wedding for their California ceremony, which was performed by Jessica's mother, but in the end they had heavy rainfall on the day.
Time to shine: Allen waved as he posed solo on the red carpet
The cast: Hugh Bonneville, from left to right, Elizabeth McGovern, Michelle Dockery, Laura Carmichael and Allen all posed for an instant
Allen and Jessica suffered a setback when the string quartet they had hired was unable to perform due to the rain.
Fortunately Lea and Darren stepped on the board and entertained the guests.
He said, "Darren and Lea are such wonderful people and wonderful friends, and they said," Absolutely no problem "when we told them the situation.
& # 39; We grabbed a guitar and they eventually sang the music for our ceremony. & # 39;
The couple announced their engagement last year on Valentine's Day.
Period drama: Allen plays Tom Branson in the historical film. The film Downton Abbey is on TV four years after the last episode
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