Emma Roberts was just one of the many celebs who rocked out to Madonna when she played at the Staples Center in downtown L.A. last week.

OK! GALLERY: NEIL PATRICK HARRIS, DARREN CRISS, ROCK OUT IN A|X ARMANI EXCHANGE LOUNGE AT MADONNA CONCERT

The stylist star hung out in the A|X Armani Exchange Style at HYDE Lounge during the show along with Neil Patrick Harris, Darren Criss, Mark Salling, and Sophia Bush.

OK! GALLERY: EMMA ROBERTS, ZOE SALDANA AND JAIME KING ROCK THEIR A|X JEANS

Emma is wearing a dress by A|X for $128.00, which you can buy here and Walter Steiger Booties which retail for $1,105.

Our go-to girl, Shauna Miller of PennyChic.com, whose mission it is to style women in fab but affordable clothes, estimates Emma's ensemble to be around $1,200, but she gives us the scoop on how to get this look for less.

Here's how to do it:

1. H&M —Shimmer Dress $69.95

2. Kohls —Dana Buchman Crystal Bib Necklace $28.50

3. ASOS — Metal Frame Clutch $31.66

4. Target —Mossimo Suede Bootie $29.74

For more info about Shauna, check out her blog at Pennychic.com.