Fragrance Direct have a huge sale on their makeup, there are definitely quite a few bargains to be had on here, including Bobbi Brown & Glo Minerals.
Bourjois, Maybelline, Rimmel & W7 also have buy 5 get 1 free on, and you can combine the two offers.
I just picked up 5 items from W7 including two makeup brushes and an eyeshadow palette for £11.22, RRP £30.93
Free delivery if you spend over £40, and could pay £5.99 for next day delivery if you still need some bits for Christmas!
5.05% at TCB or %5 at Quidco
There are other bits that are on sale that don't seem to be included in the link so I would have a look around on the site!