We can't decide what's hotter: this heat wave or Selena Gomez's wardrobe.

The 20-year-old singer/actress attended the ESPY awards in Los Angeles on Wednesday in a very short, very sparkly red mini-dress that must have turned some heads at the event, which honours the best and brightest athletes of the year.

With her hair in soft flowing waves and a crimson lip to match, the gorgeous young starlet stole the spotlight as she presented the award for best breakthrough athlete with New York Giants' Victor Cruz.

Selena was flying solo for the event, after ending her on-again-off-again romance with Justin Bieber (for real this time, you guys) in early June.

But when it comes to the style battle of the maybe-exes, there's simply no contest. While the Biebs is out getting questionable tattoos, and flaunting his baby six-pack on Instagram, Selena's been busy launching a collection for Adidas and parading around in trendy crop tops for the world to see (or maybe it's all just for Justin's benefit).

That is, if they are in fact exes.

Recently-surfaced photographs from a fourth of July party show the pair cozying up together yet again, sparking rumours that Selena and Justin have rekindled their romance in secret. And this Instagram pic posted by Justin around that time hasn't helped matters either.

What do you think? Are you rooting for a Justin-Selena reunion?

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  • Singer/actress Selena Gomez arrives at the 2013 ESPY Awards at Nokia Theatre L.A. Live on July 17, 2013 in Los Angeles, California.

  • Singer/actress Selena Gomez arrives at the 2013 ESPY Awards at Nokia Theatre L.A. Live on July 17, 2013 in Los Angeles, California.

  • Singer/actress Selena Gomez arrives at the 2013 ESPY Awards at Nokia Theatre L.A. Live on July 17, 2013 in Los Angeles, California.

  • Selena Gomez Co-Hosts New.Music.Live.at MuchMusic Headquarters on May 30, 2013 in Toronto, Canada.

  • Selena Gomez

    Selena Gomez Co-Hosts New.Music.Live.at MuchMusic Headquarters on May 30, 2013 in Toronto, Canada.

  • Nickelodeon's 25th Annual Kids' Choice Awards - Red Carpet

    LOS ANGELES, CA - MARCH 31: Singer Selena Gomez arrives at Nickelodeon's 25th Annual Kids' Choice Awards held at Galen Center on March 31, 2012 in Los Angeles, California. (Photo by Alberto E. Rodriguez/Getty Images for KCA)

  • Selena Gomez Performs At Mandalay Bay In Las Vegas

    LAS VEGAS, NV - SEPTEMBER 10: Singer Selena Gomez performs at the Mandalay Bay Events Center September 10, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

  • Selena Gomez films a scene for "Spring Breakers" on location in St. Petersburg, Florida on March 14, 2012.

  • 2011 American Music Awards - Show

    LOS ANGELES, CA - NOVEMBER 20: (L-R) Singers Selena Gomez and Taylor Swift at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on November 20, 2011 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)

  • US singer Selena Gomez - MTV European Music Awards

    US singer Selena Gomez (C) performs with her band on stage during the MTV European Music Awards (EMA) at the Odyssey Arena in Belfast, Northern Ireland, on November 6, 2011. AFP PHOTO / LEON NEAL (Photo credit should read LEON NEAL/AFP/Getty Images)

  • US actress and singer and MTV host Selena Gomez

    US actress and singer and MTV host Selena Gomez poses on the red carpet at the MTV European Music Awards (EMA) at the Odyssey Arena in Belfast, Northern Ireland, on November 6, 2011. AFP PHOTO / PETER MUHLY (Photo credit should read PETER MUHLY/AFP/Getty Images)

  • MTV Europe Music Awards 2011 - Press Conference

    BELFAST, NORTHERN IRELAND - NOVEMBER 05: MTV Europe Music Awards hostess Selena Gomez attends a MTV Europe Music Awards 2011 press conference at Odyssey Arena on November 5, 2011 in Belfast, Northern Ireland. (Photo by Ian Gavan/Getty Images)

  • The Fulfillment Fund's "2011 Stars Gala" - Arrivals

    BEVERLY HILLS, CA - NOVEMBER 01: Singer/actress Selena Gomez attends The Fulfillment Fund's '2011 Stars Gala' held at The Beverly Hilton Hotel on November 1, 2011 in Beverly Hills, California. (Photo by Jason Merritt/Getty Images)

  • Premiere Of Universal Pictures' "The Thing" - Arrivals

    UNIVERSAL CITY, CA - OCTOBER 10: Singer Selena Gomez arrives at the premiere of Universal Pictures' 'The Thing' on October 10, 2011 in Universal City, California. (Photo by Jason Merritt/Getty Images)

  • Premiere Of Lionsgate Films' "Abduction" - Arrivals

    HOLLYWOOD, CA - SEPTEMBER 15: Singer/actress Selena Gomez attends the premiere of Lionsgate Films' 'Abduction' at Grauman's Chinese Theatre on September 15, 2011 in Hollywood, California. (Photo by David Livingston/Getty Images)

  • 2011 MTV Video Music Awards - Red Carpet

    LOS ANGELES, CA - AUGUST 28: Singer Justin Bieber (L) and singer/actress Selena Gomez arrive at the 2011 MTV Video Music Awards at Nokia Theatre L.A. LIVE on August 28, 2011 in Los Angeles, California. (Photo by Christopher Polk/Getty Images)

  • Mexico City Tour Date

    US singer and actress Selena Gomez poses for the photographers at the hotel she is staying in, in Mexico City, on January 26, 2012. Selena is in Mexico to offer concerts in Mexico City and Guadalajara. AFP PHOTO/Alfredo Estrella (Photo credit should read ALFREDO ESTRELLA/AFP/Getty Images)

  • Taylor Swift "Speak Now World Tour" In New York City - November 22, 2011

    NEW YORK, NY - NOVEMBER 22: Taylor Swift and Selena Gomez perform onstage during the 'Speak Now World Tour' at Madison Square Garden on November 22, 2011 in New York City. Taylor Swift wrapped up the North American leg of her SPEAK NOW WORLD TOUR with two sold-out shows at Madison Square Garden this week. In 2011, the tour played to capacity crowds in stadiums and arenas over 98 shows in 17 countries spanning three continents, and will continue in 2012 with shows Australia and New Zealand. (Photo by Larry Busacca/Getty Images)

  • Nickelodeon's 25th Annual Kids' Choice Awards - Show

    LOS ANGELES, CA - MARCH 31: Actress Selena Gomez accepts the Favorite TV Actress award onstage at Nickelodeon's 25th Annual Kids' Choice Awards held at Galen Center on March 31, 2012 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)

  • Selena Gomez arrives to the Vanity Fair

    Selena Gomez arrives to the Vanity Fair Oscar Party, for the 84th Annual Academy Awards, at the Sunset Tower on February 26, 2012 in West Hollywood, California. AFP PHOTO / ADRIAN SANCHEZ-GONZALEZ (Photo credit should read ADRIAN SANCHEZ-GONZALEZ/AFP/Getty Images)

  • 5th Annual Women In Film Pre-Oscar Party - Arrivals

    LOS ANGELES, CA - FEBRUARY 24: Actress Selena Gomez attends the Fifth Annual Women In Film Pre-Oscar Cocktail Party at Cecconi's Restaurant on February 24, 2012 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)

  • US singer and actress Selena Gomez perfo

    US singer and actress Selena Gomez performs in Montevideo on February 11, 2012. AFP PHOTO/Pablo PORCIUNCULA (Photo credit should read PABLO PORCIUNCULA/AFP/Getty Images)

  • Selena Gomez's 2nd Annual Charity Concert To Benefit UNICEF - Arrivals

    WEST HOLLYWOOD, CA - JANUARY 20: Singer Selena Gomez arrives at Selena Gomez's 2nd Annual Charity Concert To Benefit UNICEF at House of Blues Sunset Strip on January 20, 2012 in West Hollywood, California. (Photo by Valerie Macon/Getty Images)

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