Lila Grace, whose father is publisher Jefferson Hack, followed in her mum's stylish footsteps, sporting high-waisted checked trousers, a cropped T-shirt and black high-top trainers.
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Also making an appearance at the London cinema were the film's stars including Hugh Bonneville, Jim Broadbent, Julie Walters, Sally Hawkins and Ben Whishaw – who is the voice of hapless bear Paddington in the film.
Nicole Kidman, who plays evil taxidermist Millicent in the movie, wore a chic monochrome ensemble for the film's debut.
The 47-year-old Australian was accompanied by her musician husband Keith Urban and the pair shared an affectionate kiss as they sheltered under an umbrella from the rain.
The man who created Paddington, author Michael Bond, was also at the premiere and was greeted with a huge cheer as he joined the cast on stage before the film began.