Many mornings we sit in front of the mirror trying to decide: braid or bun? Well, Amber Heard has taken the confusion out of the second-day-hair debate. She sported this half braid, half bun look at the Stella McCartney  Spring 2015 presentation. Amber's hair was plaited up the back and twirled into a topknot. It's the perfect style to keep hair up and away this Summer. See all the hot-weather beauty inspiration from last night's event and more when you scroll.
Source: Billy Farrell Agency 
For the AFI Life Achievement Award presentation, Eva wore her hair in a two-toned plait with her eyes rimmed in ultrablack liner.
It was sleek, straight strands for Sandra Bullock  at the AFI Life Achievement Award ceremony. She kept her makeup look neutral for the occasion to give all the attention to her blue frock.
Cara Delevingne and Jourdan Dunn
Cara and Jourdan  got close at the Stella McCartney  Spring 2015 presentation. Both ladies knocked their beauty look out of the park: Cara in a carefree blowout and barely there makeup, Jourdan with a sleek ombré style.
Amber's hair was part bun, part braid for the Stella McCartney  Spring 2015 presentation. This topknot and faux undercut combination hit on two of Summer's biggest hair trends.
At the Stella McCartney  Spring 2015 presentation, Emmy put on a pop of pink lipstick and pulled her hair back into a simple low ponytail.
For the Women Ruling TV panel, Taylor balanced her dark brown brows with a hot pink lipstick hue.
And her hair was twisted back into a chignon.
Emma matched her bright pink dress to her makeup, wearing a sheer rosy lipstick at the Maui Film Festival.
Kristen wowed with her beachy waves on the CMT Awards red carpet. Her makeup was all about the eyes with a bronze shadow that made her blue eyes pop.
It was big curls and lots of lashes for Carrie on the CMT Awards red carpet.
Miranda sported a pompadour updo at the CMT Awards and accentuated her eyes with an angular smoky shadow.
For her fragrance launch at Sephora  in Paris, Rihanna  wore an extralong, jet-black wavy hairstyle.
At first glance, it seemed like Demi had gotten a new short bob haircut before the Cosmopolitan Latina Awards, but her newly lavender hair was just tucked back in a bun.
At the Chime For Change event, Solange was channeling some serious Diana Ross hair. She accented her big curls with a nude lip and bold brows.
Blake kept her beauty look simple for the Chime For Change event in NY. She wore her hair slightly curled under at the ends, and had a bronze glow from head to toe.
Beyoncé ditched her vacation braids for her typical blonde waves at the Chime For Change event in NYC.
Sarah's long bob was packed with volume at the Glamour Women of the Year Awards. She finished off the '60s vibe with a smoky eye look.
For the Glamour Women of the Year Awards, Naomi wore her hair in crimped waves with a blunt bang.
Olivia paired dramatic smoky eyes with high-gloss curls at the CFDA Awards.
Emmy's crimped and braided updo was a standout look at the CFDA Awards. Plus, check out that chic nail art!
Never one to shy away from bold colors, Lupita stunned in electric blue eye shadow at the CFDA Awards.
At the CFDA Awards, Blake rocked a '60s look with teased hair and a pink lip.
On the CFDA Awards red carpet, Sophia paired a dark lip with a sexy smoky eye. Her hair was swept over to one side in Old Hollywood waves.
To balance her shimmering head scarf, Rihanna  chose a standout smoky eye and nude lip at the CFDA Awards.
Mary-Kate and Ashley Olsen
Mary-Kate and Ashley were twinning at the CFDA Awards with center-parted hairstyles.
Brie tucked and curled her hair at the CFDA Awards.
From behind, a chain hairpiece added edge to Brie's style.
Karlie kept cool in a simple updo at the CFDA Awards.
Beth showed off her golden tan at the CFDA Awards.
On the CFDA Awards red carpet, Jennifer stood out in a bold red lip.
Solange rocked teased hair and a bright pink lip at the CFDA Awards.
At the CFDA Awards, Coco paired a sexy cat eye with a deep red lip.
Alessandra kept her makeup look natural while slicking her hair back into a sleek style at the CFDA Awards.
Chrissy sported loose, summery curls and a light pink lip at the CFDA Awards.
At the CFDA Awards, Marion kept her makeup neutral, which left the spotlight on her bold brows and creamy skin.
Busy rocked a bold cat eye and glossy lip at the CFDA Awards.
At the CFDA Awards, Jaime showed off flawless skin and gorgeous full lashes.
Busy kept cool with this milkmaid braid updo and silvery eye shadow at the Veuve Clicquot Polo Classic in Jersey City.
Even though Lupita's wide-brimmed hat covered her hair, she still managed to wow in the beauty department at the Veuve Clicquot Polo Classic. Her navy eye shadow was a spinoff of one of Summer's blue makeup trends.
At the Veuve Clicquot Polo Classic, Olivia tried out a lopsided braid hairstyle with a bright orange lip.
To celebrate 100 episodes of Pretty Little Liars, Lucy pulled her hair up into a messy ponytail and swiped on a bright orange lip color.
Shay showed off her caramel-colored ombré hair at the Pretty Little Liars party. She finished off her tough-girl look with a black smoky eye.
At the Huading Film Awards, Halle paired her short pixie with a very natural makeup look.
Zoe pulled her hair up into a loose style for the Step Up Inspiration Awards. Her long bangs framed her face, and she wore her favorite eye makeup look — the cat eye.
For her The Fault in Our Stars appearance in NY, Shailene wore a tomato-red lip hue and tamed her pixie into a sideswept look.
Amanda wore all earth tones for a Cle de Peau Beauté press conference in Tokyo.