The rapper explained:
[Image via Karl Lagerfeld/Harper's Bazaar.]
You know your big brother really loves you when he accompanies you to a couture show!
Or maybe he really likes fashion, too — we don't know!
Plus, his outfit was the perfect foil to Chloe's silver Armani shorts and beaded mock neck top. What a ridiculously stylish brother-sister duo!
[Image via WENN.]