(TC) Now you see it now you don’t: Rachel McAdams reveals gigantic baby bump, before stepping out in a different outfit without it

There have been a whole host of famous faces announcing they are expecting the pitter patter of tiny feet including Claire Danes and Matthew Matthew McConaughey.

And yesterday Rachel McAdams unveiled a gigantic baby bump as she shot scenes for her new film in London.

While her pregnant shape looked convincingly real, her appearance was just part of her new role in About Time.

Where’s that come from? Rachel McAdams was seen showing off a huge baby bump – before losing it again on the set of her new film About Time

The Canadian actress was spied in Notting Hill cover the fake bump in a wool jumper.

She also had a pair of jeans on and a thick brown overcoat as she shot scenes for the upcoming flick.

The actress was seen having a discussion with screenwriter and director Richard Curtis on set and had her hands placed under her bump.

Oh mother! The Canadian actress,33, looked pregnant but it was just part of her role in the new flick

Big bump: The 33-year-old was seen placing her hands under the fake pregnancy belly which emphasised the size

Richard has worked on hit British films including Four Weddings and a Funeral, Bridget Jones’s Diary, Notting Hill, Love Actually so fans of his work will no doubt be looking forward to his latest flick.

While Rachel appeared pregnant in one outfit she was also seen minus the bump in another.

The actress was seen in a blue ensemble and a pretty blouse in her second outfit.

Taking direction: Rachel was seen chatting to screenwriter and director Richard Curtis while on the set

Where has the bump gone: Rachel was seen in another scene without a baby

She had her short hair down and peered from behind a pair of bookish glasses.

Rachel was seen filming alongside Harry Potter star Domhnall Gleeson.

Fans may well recognise Domhnall as Bill Weasley in the magical movies.

The actor plays the role of Tim, a time-traveller with Rachel starring as his love interest.

It’s not clear if Rachel is playing two roles or if her character is seen at different times in her life.

Bookish chic: Rachel was sporting a blue pair of trousers and a different shade for her jacket and a patterned blouse

We recognise you! Rachel was filming alongside Domhnall Gleeson, who fans may well know better as Bill Weasley in Harry Potter