SWINDON starlet Billie Piper says she would love to write a screenplay and have a family.

The former teen chart topper is about to hit the big screen opposite Lord of the Rings star Orlando Bloom in The Calcium Kid, a British comedy about milkman Jimmy Connelly who finds himself taking on the boxing world champion in his home town.

The film marks Billie's first foray into film acting, although she starred opposite James Nesbitt in a modern reworking of Chaucer's A Miller's Tale on television.

She is also working on another film You Don't Have To Say You Love Me with Enigma star Dougray Scott, Emilia Fox and Jimi Mistry, who played the title role in The Guru.

Former Bradon Forest pupil Billie shot to fame at 15, reaching the top of the pop charts with Because We Want To.

It made her the youngest female solo artist to debut at number one in the British charts.

But she was passionate about acting when she was at the Sylvia Young Theatre School before her meteoric rise to pop stardom.

She told magazine Elle Girl: "When my singing career took off I didn't get any time to act.

"Then in America I got the chance to do drama classes.

"No one knew me there so I could be myself."

Although the film is due out soon, she confessed she would prefer to have friends over for a visit than go to a premiere.

"I hate going to premieres. I get clammy hands and want to go home and kick off my heels.

"I'd far rather have some girlfriends over to watch Dirty Dancing."

Earlier this year there were rumours that while her acting career was taking off, her marriage to TV tycoon husband Chris Evans was in difficulty.

But she described him as a "really romantic" man who leaves her surprise cups of coffee and little notes.

In the new film, directed by Alex De Rakoff, Billie plays Angel, the object of Jimmy's affection.

They had to do a screen kiss on the first day of filming and she admitted it was nervewracking, but described the Pirates of the Caribbean hearthrob as "a lovely boy".

The film is expected to go on general release on April 30.