Britain's Kate, Duchess of Cambridge arrives for the BAFTA 2018 Awards in London, Sunday, Feb. 18, 2018. (Chris Jackson/Pool via AP)

Prince William and Duchess Catherine stole the spotlight at the 2018 BAFTA Awards.

Whilst many women opted to wear all-black to show their support for the Time's Up campaign,Whilst many women opted to wear all-black to show their support for the Time's Up campaign, Catherine - who is pregnant with the couple's third child - chose to wear a dark green gown at the ceremony on Sunday night (18.02.18) at London's Royal Albert Hall, as it's believed royals are not supposed to engage in political protest. 

Britain's Kate, Duchess of Cambridge arrives for the BAFTA 2018 Awards in London, Sunday, Feb. 18, 2018. (Chris Jackson/Pool via AP)

However, the Jenny Packman dress did have a black belt and the brunette beauty - who has four-year-old Prince George and two-year-old Princess Charlotte with the royal - carried a silky black clutch bag.

The royals had front row seats at the ceremony - hosted by British TV veteran Joanna Lumley - which saw the world's biggest stars in attendance, including Orlando Bloom, Angelina Jolie, Jennifer Lawrence and Salma Hayek.

Britain's Prince William and Kate, Duchess of Cambridge attend the BAFTA 2018 Awards. (Chris Jackson/Pool via AP)