A new poll suggests that the Harry Potter actress Emma Watson inspires and influences teenagers more than any other celebrity.
The 27-year-old actress was named by both girls and boys from a list including Ariana Grande, Zayn Malik and Beyoncé.

The British survey list included musicians, You Tube celebrities, reality stars and 1,000 teens took part.
The research suggested that "feminist" is now the top label for teenage girls (29%), outranking "sporty" (10%) or "bookworm" (19%).
The marketing director of the survey group NCS Natasha Kizzie said that: "The rise of internet feminism and increasingly politically engaged youth has brought these issues to the forefront of the news agenda, and the 'Emma Watson effect' has done brilliant things for the cause. She inspires young people to never limit their expectations of what they can achieve on the basis on their gender."
One participant said: "She's a big feminist. She frequently speaks out on sexism and other discrimination issues such as racism and homophobia, and what she says really inspires me."