Beyoncé Knowles is mum to 3-month-old baby daughter Blue Ivy

Beyoncé Knowles has posted on her Twitter page for the first time - even though she's long been a member and has 3,569,700 followers.

The new mum, who's married to rapper Jay-Z, chose to post about her re-designed website.

'Hey World, It's B! I'm so excited to invite you to my new beyonce.com - we've been working hard, and it's finally ready for you XO,' Tweeted Beyoncé

On the site is a section titled 'I am', which holds hundreds of snaps of Bey, 30, with Jay, 42, and other loved ones.

It seems Beyoncé has come a long way since she admitted back in 2009 that her sibling Solange, 25, has tried - and failed - to teach her about the social networking site. 

'My sister is the Twitter queen,' Beyoncé told Sky News.

'She told me about the Twittering. But I don't get it.

'I feel like I'm getting really old. I'm like, what? I don't understand. Just call me. I don't get it.'

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Esme Riley