A family friend of director general Greg Dyke, she is billed as 'the next Jill Dando' and has also previously fronted the daytime BBC1 quiz show Judgmental.
'I'm nearly 35 so I can't be waiting around for ever,' she said.
Considered one of the BBC's 'golden girls', Miss Raworth first came to public attention as the co-host of BBC Breakfast with Jeremy Bowen.
The 35-year-old is three months pregnant by her new husband, property company director Richard Winter. 'We are so excited at the prospect of becoming parents.
Miss Raworth, who moved to the evening bulletin last year after presenting BBC Breakfast, said yesterday: 'We are absolutely thrilled. 'I'm just hoping that all those years I spent getting up in the middle of the night to present Breakfast are going to prove good training for the sleepless nights ahead.' Miss Raworth and Mr Winter, who married at their local church in London on December 13, returned from honeymoon in South Africa a week ago.
And if Elvis' granddaughter Riley Keough and singer Sophie Auster harboured any feeling of self-consciousness, they didn't let that show as they turned up in exactly the same attire at the Coach and Friends Of The High Line Summer Party on Wednesday.
Double trouble: Riley Keough (left) donned a stunning burgundy and floral print dress at the Coach and Friends Of The High Line Summer Party on Wednesday- seemingly unaware that a few minutes later Sophie Auster (right) turned heads in the same outfit Riley Keough was one of many starlets to attend the Coach and Friends Of The High Line Summer Party in New York last night.