Tiffany & Co. brought out a constellation of stars to celebrate their newest collection, while the Transcendence red carpet brought us more cool beauty. See all the stars out so far this week including Emma Stone  and Selena Gomez  when you scroll through.
The actress paired a wavy updo with hot pink lips at the Tiffany & Co . 2014 Blue Book bash at the Guggenheim Museum.
Bosworth was the picture of retro glamour in red lips and sideswept curls at the Tiffany & Co . Blue Book party in NYC.
Holmes swept her bangs to the side to show off her glowing skin while celebrating the debut of the Tiffany & Co . 2014 Blue Book collection.
The model accentuated her bold brows with long lashes at the Tiffany & Co . party.
The country singer let her hair down in loose waves for the 29th Annual Rock and Roll Hall of Fame Induction Ceremony.
The actress swept up her ombré locks into a tousled updo, putting the focus on her smoked out eyes at the Transcendence premiere.
It was a peach palette for the Transcendence at the film's LA premiere.
Emma intensified the look of her fiery red hair by wearing a bright fuchsia lip and yellow dress at the London premiere of The Amazing Spider-Man 2.
At the Kaleidoscope Ball, Julianne styled her short pixie with a deep side part and stuck with neutral tones for makeup.
Maria's hair was tied with a bow at the Kaleidoscope Ball, and she accented the playful updo with chic grey shadow.
For the Fargo screening in NYC, Diane went for a dramatic sideswept bang and a metallic smoky eye.
Rihanna  chose beachy waves to sit courtside at the LA Clippers game, and we're dying to get our hands on her red lip color, too.
Kate reminded us of a poised Grace Kelly with her rosy lip color and upswept chignon at an event honoring Kevin Spacey .
Freida pulled double duty with a strong smoky eye and bright crimson lipstick at the H&M  store opening in Germany.
Zooey attended the launch of her Tommy Hilfiger  clothing collaboration wearing retro winged eyeliner and curls — her favorite beauty combination.
Also at the Tommy Hilfiger  launch, Malin picked up on the fashion brand's signature red for her lip color.
At the Authors Anonymous premiere in LA, Kaley stuck with a monochromatic makeup palette of pretty pinks.
For her book launch, Rachel chose gunmetal-gray eye makeup paired with inky kohl eyeliner.
At a London photocall for The Amazing Spider-Man 2, Emma styled her strands superstraight with peachy tones on her lips and cheeks.
Sarah must be gearing up for Spring because the actress unveiled a head full of blond highlights and a shorter lob haircut at the Marie Claire Fresh Faces party.
As one of Marie Claire's May cover girls, Lupita stood out in a pompadour hairstyle, blue eye shadow, and hot pink lipstick at the magazine's Fresh Faces party.
Kate stuck to a basic ponytail and neutral smoky eye for her cover debut at the Marie Claire Fresh Faces party.
Need short hair inspiration? Turn to Jaimie's look from the Marie Claire Fresh Faces party. This pompadour is perfect for pixie haircuts.
Naya stuck to caramel and earth tones for her Marie Claire Fresh Faces party look, and her lashes were extra dramatic.
At the Marie Claire Fresh Faces party, Elle took the theme to heart wearing barely any makeup at all.
To premiere her Little Black Dress Collection for Ann Taylor , Kate wore her hair in polished waves and sported an onyx gown (of course).
Kim was glowing (as usual) at an event for Congressional candidate Marianne Williamson. She wore her hair slicked back, but maintained her signature smoky eye  for the political party.
Katy premiered her "slime green" hair color on Instagram , and at an event for Congressional candidate Marianne Williamson, she paired the look with a cherry lip gloss.
At an event for Congressional candidate Marianne Williamson, Nicole kept her makeup palette neutral and secured her pastel strands into a loose updo.
Kristen went blonde . . . and we like it! The lighter shade made a debut at the Hateship Loveship screening in NYC, and she finished the look with a brick red lip.
This sparkling barrette on Heidi Klum  was the highlight of her beauty look at the NBC Summer Press Day. Plus, it's a great way to disguise grown-out bangs.
Kristin attended the NBC Summer Press Day wearing a headband braid and beachy waves. The pregnant star is maximizing her pregnancy glow!
Get ready to print this photo for Summer hair color inspiration. You'll want to copy Jennifer's bangs and blond ombré from the Draft Day premiere.
Maggie surprised us all when she attended the Honourable Woman photocall in Cannes with blond hair!
It looks like Selena decided to wear her natural curls at the Alliance For Children's Rights dinner. Just add a floral garland, and this style is ready for festival season.
Malin's tousled hair looked effortlessly chic at the Alliance For Children's Rights dinner.
At the annual Night of Opportunity, Rachel divided her hair down the middle and swiped on a coral lip color.
For her performance at the Roseland Ballroom in NYC, Lady Gaga  sported neon green ringlets. We wouldn't expect anything less from the dramatic star.
Carrie was out again after the ACM Awards to salute the troops. This time her hair was curled into casual waves instead of Old Hollywood curls.
At the Point Honors New York Gala, Lena upped her eye makeup game with a dash of dark gray shadow paired with sheer lip gloss.
No one wears bright colors and black quite like Janelle. She made a point to show off her hot-pink nail polish and matching lips at the Rio 2 listening party in Atlanta.
At the Other Woman premiere in Germany, Kate played up her eyes with smoky black shadow and topped them with a blazing red lip hue.
With a ponytail and neutral makeup shades, Cameron was all about the laid-back look at the Other Woman German debut.
At the Other Woman premiere in Germany, Leslie went for a spiky, mod eyelash look and bright lips.
Kimberly Perry at the ACMs
Kimberly went with a casual topknot for the Academy of Country Music Awards red carpet, and later she let her hair down for the big Band Perry performance.
Carrie Underwood at the ACMs
At the Academy of Country Music Awards, Carrie threw her curls to one side for a glamorous style, and her smoky eye makeup was totally perfect.
Olivia Munn at the ACMs
Olivia paired her cherry-red dress with a neon pink lip color to present at the Academy of Country Music Awards.
Miranda Lambert at the ACMs
Miranda had multiple hair looks from the Academy of Country Music Awards, but this side fishtail braid from her performance is our favorite.
Taylor Swift at the ACMs
Taylor has been admired for her waves and curls for years. Even with a short bob, she managed to get the beachy texture we all envy at the Academy of Country Music Awards.
At the fifth annual DVF Awards, Alicia showed off an edgy mohawk style with her hair shaved on the sides. She paired the look with an electric-orange lip color.
Sarah Jessica Parker
SJP went with inky eyeliner and neutral lips for the fifth annual DVF Awards, and her hair was styled sleek and straight.
Cinnamon lipstick and sheer gold shadow made for a chic combination on Taylor at the Real Lives Event in LA.
Ciara attended the Safe Kids Day in Hollywood with bright blond highlights and a neutral makeup palette. When you have a pregnancy glow like hers , makeup is optional!