The actress, who played a wizard in the popular series, looked chic in black-coloured casuals, but the pooch ended up looking more attractive.
The dog was Watson's friend's pet and had just emerged out of a dye treatment worth 90 pounds at a grooming parlour.
Shikhar Dhawan birthday: Top 10 scores by an Indian on Test debut
Spotted: Shilpa Shetty, Raj Kundra at a Mumbai multiplex
Spotted: Virat Kohli, Anushka Sharma and other celebs at Mumbai airport
Photos: Salman Khan's 'special friend' Iulia Vantur at a song launch
Photos: Hrithik Roshan, Anushka Sharma, other celebs dazzle at event