Sienna Miller wearing the Zac Posen Cooper sunglasses. Source: Kenmark

Armie Hammer wearing Salvatore Ferragamo sunglasses (SF180S). Source: Marchon/Salvatore Ferragamo/Getty Images

Lady Gaga wearing “F IS FENDI” sunglasses (FF 0306/s). Source: Safilo/ Fendi

Justin Bieber wearing the Nike Skylon Ace XV sunglasses in Matte Black and Volt. Source: Marchon/James Devaney/Getty Images

Alex Rodriguez wearing Ray-Ban Blaze Aviator (RB3584N). Source: @arod

Dev Patel wearing Ermenegildo Zegna (EZ0105_08N) eyewear. Source: Marcolin

Freida Pinto wearing Salvatore Ferragamo sunglasses (SF183S). Source: Marchon/Salvatore Ferragamo/Splash News

Gigi Hadid wearing Prada Ultravox (SPR 64US). Source: @marieclairearabia

Jessica Alba wearing Max Mara Iris sunglasses. Source: Safilo/Getty Images

Khloe Kardashian wearing Oakley EVZero Stride OO9386-0238. Source: @khloekardashian

Adrien Brody wearing the Blackfin Brunswick BF761 sunglasses. Source: @adrienbrody

Lili Reinhart wearing the Zac Posen Lenihan sunglasses. Source: Kenmark

Matthew McConaughey wearing POLAROID sunglasses model PLD 6050/S. Source: Safilo/Splash News

Olivia Palermo wearing Givenchy GV SQUARED sunglasses (GV 7118/S). Source: Safilo/Getty Images

Priyanka Chopra wearing Max Mara Iris sunglasses. Source: Safilo/Getty Images