In Pictures: This week's celebrity birthdays

Published Jan 23 2012, 09:58 GMT  |  By

This week's celebrity birthdays include a Hobbit, a Sugababe and one-fifth of Take That. Click along our gallery below to find out who they are, and also discover the identities of the six other famous faces who will be celebrating their birthdays over the next seven days.
Birthdays: 23rd January - 29th January

Lisa Snowdon - The TV and radio broadcaster celebrates her 40th birthday today.