And both had every reason to look their best, as they were joined by their handsome beaus!
Frankie rocked classic chic in a black suit which she teamed with a simple grey vest and matching heels.
Still sporting her slicked back hair from the momentous annual live show at Blackpool Tower, the Saturdays star arrived at Rumours night club with her husband Wayne.
And she deserved to celebrate after receiving Len Goodman's first 10 for her Quickstep with partner Kevin Clifton (Saturday 15 November).
Pixie turned heads in a 60s-inspired blue and white mini skirt, worn with knee-high PVC boots.
Boyfriend Oliver Cheshire was seen holding tight to his lovely lady, who topped the leaderboard with her Paso Doble.
Not one to be outdone in the style stakes, professional dancer Karen Hauer - who partners Mark Wright - looked HOT in a black leather peplum top, super tight skinny jeans and cape coat. All topped off beautifully with a bejewelled hairband. Love your style, Karen!
Boyfriend and fellow pro dancer Kevin scrubbed up pretty well too!
Meanwhile, Mark tried to outdo the ladies by leaving in a very dramatic fashion - on Steve Backshall's back!
The pair were seen looking rather merry at 5am as they exited the club... A late night they just MIGHT have regretted the next morning!
Tune in to BBC1's Strictly Come Dancing on Sunday night at 7.15pm to find out who has been voted off the show this week...
Who do you want to win Strictly Come Dancing 2014? Tell us in the comment box below and you could win £50!
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