See the Best Outfits From the 2015 U.S. Open

2015 U.S. Open - Day 12
Serena Williams of the United States returns a shot to Roberta Vinci of Italy during their Women's Singles Semifinals match on Day Twelve of the 2015 US Open on Sept. 11, 2015.Clive Brunskill—Getty Images
By TIME Staff
2015 U.S. Open - Day 12
Serena Williams of the United States returns a shot to Roberta Vinci of Italy during their Women's Singles Semifinals match on Day Twelve of the 2015 US Open on Sept. 11, 2015.Clive Brunskill—Getty Images
2015 US Open
Tomas Berdych of the Czech Republic returns a shot against Richard Gasquet of France during their Men's Singles Fourth Round match on Day Eight of the 2015 US Open on Sept. 7, 2015.Anadolu Agency/Getty Images
2015 U.S. Open - Day 6
Roger Federer of Switzerland returns a shot to Philipp Kohlschreiber of Germany during their Men's Singles Third Round match on Day Six of the 2015 US Open on Sept. 5, 2015 .Elsa—Getty Images
2015 U.S. Open - Day 6
Andrea Petkovic of Germany returns a shot to Johanna Konta of Great Britain during their Women's Singles Third Round match on Day Six of the 2015 US Open on Sept. 5, 2015.Clive Brunskill—Getty Images
Tennis - 2015 US Open - Day Four - Billie Jean King National Tennis Center
Simona Halep during her 2nd round women's singles match against Kateryna Bondarenko on Sept. 3, 2015,Jon Buckle—Empics Sport
Camila Giorgi, of Italy, returns a shot to Sabine Lisicki, of Germany, during the second round of the U.S. Open tennis tournament, Thursday, Sept. 3, 2015, in New York. (AP Photo/Adam Hunger)
Camila Giorgi, of Italy, returns a shot to Sabine Lisicki, of Germany, during the second round of the U.S. Open in New York on Sept. 3, 2015,Adam Hunger—AP
Tomas BerdTomas Berdych, of the Czech Republic, reacts after defeating Jurgen Melzer, of Austria, in the second round of the U.S. Open Tennis tournament in New York, Thursday, Sept. 3, 2015. (AP Photo/Kathy Willens)ych
Tomas Berdych, of the Czech Republic, reacts after defeating Jurgen Melzer, of Austria, in the second round of the U.S. Open on Sept. 3, 2015.Kathy Willens—AP
Nicole Gibbs, of the United States, prepares to serve to Petra Kvitova, of the Czech Republic, during the second round of the U.S. Open tennis tournament, in New York, on Sept. 3, 2015.
Nicole Gibbs, of the United States, prepares to serve to Petra Kvitova, of the Czech Republic, during the second round of the U.S. Open tennis tournament on Sept. 3, 2015.Adam Hunger—AP
2015 US Open Celebrity Sightings - Day 1
Serena Williams of USA competes on Day 1 of the 2015 US Open in New York on Aug. 31, 2015.Jean Catuffe—GC Images
NEW YORK, NY - SEPTEMBER 01: Alexander Zverev of Germany returns a shot against Philipp Kohlschreiber of Germany during their Men's Singles First Round match on Day Two of the 2015 US Open at the USTA Billie Jean King National Tennis Center on September 1, 2015 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Alex Goodlett/Getty Images)NEW YORK, NY - SEPTEMBER 01: Alexander Zverev of Germany returns a shot against Philipp Kohlschreiber of Germany during their Men's Singles First Round match on Day Two of the 2015 US Open at the USTA Billie Jean King National Tennis Center on September 1, 2015 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Alex Goodlett/Getty Images)
Alexander Zverev of Germany returns a shot against Philipp Kohlschreiber of Germany during their Men's Singles First Round match on Sept. 1, 2015.Alex Goodlett—Getty Images
Rafael Nadal of Spain reacts after defeating Diego Schwartzman of Argentina during their Men's Singles Second Round match on Day Three of the 2015 US Open at the USTA Billie Jean King National Tennis Center on September 2, 2015 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Clive Brunskill/Getty Images)
Rafael Nadal of Spain reacts after defeating Diego Schwartzman of Argentina during their Men's Singles Second Round match on Sept. 2, 2015.Clive Brunskill—Getty Images
NEW YORK, NY - SEPTEMBER 02: Venus Williams of the USA celebrates her match win over Irina Falconi of the USA on Day Three of the 2015 US Open at the USTA Billie Jean King National Tennis Center on September 2, 2015 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Elsa/Getty Images)
Venus Williams of the USA celebrates her match win over Irina Falconi of the USA on Sept. 2, 2015.Elsa—Getty Images
NEW YORK, NY - SEPTEMBER 03: Sabine Lisicki of Germany returns a shot against Camila Giorgi of Italy during their Women's Singles Second Round match on Day Four of the 2015 US Open at the USTA Billie Jean King National Tennis Center on September 3, 2015 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Al Bello/Getty Images)
Sabine Lisicki of Germany returns a shot against Camila Giorgi of Italy during their Women's Singles Second Round match on Sept. 3, 2015 .Al Bello—Getty Images
Roger Federer of Switzerland hits a return to Steve Darcis of Belgium during the 2015 US Open men's singles round two match at the USTA Billie Jean King National Tennis Center September 3, 2015 in New York. AFP PHOTO / DON EMMERT (Photo credit should read DON EMMERT/AFP/Getty Images)
Roger Federer of Switzerland hits a return to Steve Darcis of Belgium during the men's singles round two match on Sept. 3, 2015.Don Emmert—AFP/Getty Images
NEW YORK, NY - SEPTEMBER 03: Caroline Wozniacki of Denmark reacts against Petra Cetkovska of the Czech Republic during their Women's Singles Second Round match on Day Four of the 2015 US Open at the USTA Billie Jean King National Tennis Center on September 3, 2015 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Al Bello/Getty Images)
Caroline Wozniacki of Denmark reacts against Petra Cetkovska of the Czech Republic during their Women's Singles Second Round match on Sept. 3, 2015.Al Bello—Getty Images

More Must-Reads from TIME

Contact us at letters@time.com