Downton Abbey star reveals SURPRISE pregnancy: see baby bump photos

There was a surprise in store for Downton Abbey fans on Monday night.

MORE: 6 questions we desperately need answering in Downton Abbey: A New Era

Actress Tuppence Middleton hit the red carpet for the movie's premiere at Leicester Square – and revealed a baby bump in the process!

WATCH: Downton Abbey's releases second trailer and hints at trouble ahead for couple

Tuppence, 35, looked incredible as she arrived for the screening, dressed in a floor-length off the shoulder black gown, featuring a high leg split. Her strappy sleeves were covered in diamantes and Tuppence wore her long brunette hair in loose waves, opting for a dark red lip.

READ: Michelle Dockery reveals the 'downside' to filming Downton Abbey

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She proudly posed for the cameras with her hand gently resting on her little bump.

tuppence-middleton-pregnant
tuppence-middleton-pregnant

Tuppence revealed her baby bump on the red carpet

Tuppence stars as Lucy Branson in the hit franchise. Not much is known about her private life – including the identity of her baby’s father. She was most recently linked to abstract artist Robert Fry; their three-year romance came to an end in 2019.

READ: Downton Abbey star's daughter has huge role in Bridgerton season two - did you spot her?

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Downton Abbey: A New Era is the second movie instalment; the first film focused on the Downton Abbey residents as they prepare for a visit from King George V and Queen Mary.

tuppence-middleton-pregnant-1z
tuppence-middleton-pregnant-1z

It is the actress's first child

The trailers for the new film, meanwhile, have given fans some crucial plot details, including the revelation that Violet Crawley (Dame Maggie Smith) has been left a French villa by a mystery man. As a result, the Crawleys head off to France to discover more.

MORE: Inside Downton Abbey stars' homes: Lily James, Joanne Froggatt, Elizabeth McGovern and more

There’s also a wedding on the cards for Tuppence's character, maid Lucy Smith, as she marries Tom Branson (Allen Leech).

downton-abbey-mary-robert
downton-abbey-mary-robert

The main cast and crew has returned for the movie

Happily, all the main cast are back, including the family upstairs - Hugh Bonneville (Robert Crawley), Elizabeth McGovern (Cora Crawley), Maggie Smith (Violet Crawley), Michelle Dockery (Lady Mary), Laura Carmichael (Lady Edith), and Penelope Wilton (Isobel Merton).

While downstairs will be Jim Carter (Mr. Carson), Phyllis Logan (Mrs. Hughes), Robert James-Collier (Thomas Barrow), Lesley Nicol (Mrs. Patmore), Sophie McShera (Daisy), and Joanne Froggatt (Anna Bates).