The on/off couple, who started dating in 2007 after meeting at the MTV Europe Music Awards in Berlin, have fuelled speculation their relationship is firmly back on track by flying to Aspen, Colorado to enjoy a skiing holiday with the Formula 1 star's family after ringing in 2014 with Alicia Keys and her music producer husband, Swizz Beatz.
The 'X Factor' judge posted a picture of herself on a snowmobile in front of a sunset on her Instagram profile this morning (02.01.13), with the caption: ''What better way to kick off 2014 in God's Country! Praying and snow mobiling! #Everything! #Glorious! (sic)''
Lewis, 28, posted a similar photograph of himself in the same location less than an hour later with the caption: ''Great way to enter the year....snowmobiling with Gods view. Truly am blessed to have a great family with me.#onelove''
The 'Wet' hitmaker, 35 later posted another scenic image of the snowing landscape and gushed about her ''new beginnings.''
She wrote: ''2014! Here's to new beginnings, a new road, new path, to a #NEW year! #NeverGiveUp on what ur dreams & what ur meant to do & be! (sic)''
The couple were careful not be mention each other by name when they shared separate photographs from a New Year's Eve party on Tuesday (31.12.13).
The British racing driver posted a picture with Swizz and wrote: ''Merry New Year!!! I had the best New Years with my brother @therealswizzz & his lovely wife @aliciakeys & the Hamilton crew. What a blessing, wishing everyone an incredible year of love, light & laughter!! God is good''
Nicole also posted a picture with Alicia at the same party, with the caption: ''What a #MAGICAL new years eve with friends and loved ones! Let's make 2014 the most #MAGICAL yet!''
A source previously revealed that Lewis was planning to spoil Nicole with gifts for Christmas before whisking her off on holiday.
The insider said: ''This is their first proper time together as a 'couple' again, even though they have met up privately for talks before.
''Lewis is determined not to mess this big chance up and he's been planning what he's going to buy her for the big day.''
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