YSL Elle is a fantastic perfume to begin with. The intense version is so powerful you only need a couple if sprays. It's a lot stronger than the EDP.
It's half price at boots at the moment in their not so advertised clearance sale.
If you buy two YSL products ATM you get £7.50 back in points.
Making this a cracker of a deal for Xmas.
There is also a voucher for £5 off a £50 spend on fragrance. Using UKFRAGRANCE5
Even Better again if you spend over £50 on premium beauty and fragrance you get a 10% discount as well.
Play around, combine the offers. Some real bargains to be had.