Rihanna has so many crazy styles that you’re bound to find something at your local Forever 21. I went with some of my favorite Rihanna staples: over-the-top gladiator boots, layered chains and bustiers.
Metallic Brow Flat Top Sunglasses ($6.80)
Faceted Bead Bib Necklace ($5.80)
Strapless Peplum Top ($19.80)
Mini Knit Skirt ($6.90)
Tall Gladiator Heels ($39.80)

Of course, the easiest way to do Lady Gaga is to throw on fish nets and undies. But not all of us are comfortable prancing around in our panties. This look still gets the point across while keeping your bum warm.
Party Bow Headband ($3.80)
Collapsible Two Tone Sunglasses ($6.80)
Satin Corselette ($9.80
Zipper Front Satin Skirt ($19.80)
Patent Platform [...]