Rochelle Humes wants a body like Jessica Alba's.

The Saturdays singer - who has a seven-month-old daughter, Alaia-Mai, with husband Marvin Humes - has begun working with a personal trainer but doesn't think her fitness goal is entirely realistic.

She tweeted: ''Okay so today is my first training session of 2014...wish me luck!

''I'm such a loser, he asked what my goals are...I've asked to look like Jessica Alba in the film Honey. what a fan girl. so specific

''I mean god Rochelle....he's a trainer not a magician (sic)''

The 24-year-old beauty had a busy day yesterday (05.01.13) cooking lunch for her family - a task that was made particularly difficult by her daughter's clingy behaviour.

She tweeted: ''I'm gonna cook a roast today!''

She later added: ''Today has been one of those days when Lai was only happy being held. Amazing what you can do with a baby on your hip. #multitaskingmumma

''She's in bed now bless her. Think I may do the same lol!! A little [drink]first I think #unwind (sic)''

Rochelle, Marvin and their daughter recently returned from holiday in the Maldives, and though they had a great time, the break was blighted by mosquito attacks.

She said last week: ''I've literally turned into the mosquito police! I need to chill and just accept they will bite me. they may be small but they will win lol. (sic)''