The pair defected from the BBC to front the much-heralded show, which replaced GMTV last year.
Fiona Phillips is making a comeback to GMTV after quitting the breakfast television show in 2008.
On November 26, 2009, the Group acquired the remaining 25% interest in GMTV Limited.
Proving less popular than GMTV, ratings fell to 600, 000, less than half the number of viewers BBC Breakfast attracts.
Phillips, who began on GMTV in 1993 as the show's entertainment correspondent, will kick off her stint on Monday.
The Bill's Stefan Booth, Coronation Street's Sean Wilson, Fat Friends star Gaynor Faye and GMTV's Andrea McLean are also taking part.
Daybreak - which replaced previous breakfast show GMTV - currently draws around 800, 000 viewers, around half the audience of its BBC One rival Breakfast.
"I can't even explain how amazing tonight has been, " said Abrahams, who was parachuted in to replace injured GMTV presenter Michael Underwood seven weeks ago.
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Later, on GMTV he suggested free school buses, park and ride schemes and the re-phasing of traffic lights were alternative solutions to solve road congestion.
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Former Spice Girl Emma Bunton and TV presenter Kirsty Gallacher have also been lined up to cover Kelly's holiday absence and the final shows under the GMTV banner.
She said: "I'm really excited to be going back to see my old mates and the viewers again, " adding she had spent a third of her life on the GMTV sofa.
"I've spent all my working life at the BBC, " Chiles said, who is now signed to ITV and GMTV for a four-year stretch and will be at the forefront of breakfast and football television there.
Mr Cameron told GMTV that Mr Wiggin's claim for a non-existent mortgage was "a bad mistake but it looks like it's an honest mistake and he was not claiming money that he wasn't entitled to".
Happier tidings for GMTV's Pembrokeshire's Fiona Phillips though - she has given birth to her second son, who is yet to be named and a brother to Nathaniel who will three in two weeks - and EastEnders actress Charlie Brooks, from Barmouth - she has been celebrating her 21st birthday with fellow cast members Dean Gaffney (Robbie), Michelle Ryan (Zoe) and Lucy Speed (Natalie).
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