Rihanna parties with rumored beau Hassan Jameel at post-GRAMMYs bash -- see the pics!

Rihanna knows how to keep the party going!

Following her big night at the 60th Annual Grammy Awards, where she performed, presented and won the Best Rap/Sung Performance accolade for "Loyalty" with Kendrick Lamar, the 29-year-old singer was spotted out and about at a post-awards show soirée in New York City. RiRi spent the rest of Sunday night with her rumored boyfriend, Hassan Jameel, at 1 Oak nightclub.

Rihanna's luscious curls were still intact from her look inside the show, but she traded in her full latex ensemble for a much comfier getup -- a shimmering, blue-and-silver metallic dress, which she paired with an oversized jacket, chunky gold choker necklace, strappy heels and bold purple eyeshadow.

247PAPS.TV / Splash News

Jameel let her be the star of the show, opting for simple blue pants and a dark jacket over a gray T-shirt.

247PAPS.TV / Splash News

According to an eyewitness, RiRi left the celebrity hot spot around 4:30 a.m., approximately an hour and 25 minutes after Jameel left.

Rihanna and Jameel first sparked romance rumors last summer, when the two were seen making out in a pool, packing on the PDA in Spain and jetting to Ibiza. Her billionaire beau is heir to Saudi Arabia's largest Toyota distributor.

See more from the 2018 GRAMMYs after parties:

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GRAMMYs 2018: Inside the after-parties
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GRAMMYs 2018: Inside the after-parties
NEW YORK, NY - JANUARY 28: Rita Ora and Andrew Watt head to a post-Grammy party on January 28, 2018 in New York City. (Photo by Gotham/GC Images)
NEW YORK, NY - JANUARY 28: Recording Artist Dupa Lipa attends the Universal Music Group's 2018 After Party to celebrate the Grammy Awards presented by American Airlines and Citi at Spring Studios in New York City on January 28, 2018 in New York City. (Photo by Brian Ach/Getty Images for Universal Music Group)
Eve attends the Universal after party after the 60th Grammy awards ceremony in New York on January 28, 2018 / AFP PHOTO / Steven FERDMAN (Photo credit should read STEVEN FERDMAN/AFP/Getty Images)
NEW YORK, NY - JANUARY 29: Normani Kordei attends the 60th Annual Grammy Awards after party hosted by Benny Blanco and Diplo with SVEDKA Vodka and Interscope Records on January 29, 2018 in New York City. (Photo by Bryan Bedder/Getty Images for SVEDKA Vodka)
NEW YORK, NY - JANUARY 28: Camila Cabello is seen in the Meat Packing District on January 28, 2018 in New York City. (Photo by Gotham/GC Images)
NEW YORK, NY - JANUARY 28: Erykah Badu performs at Universal Music Group's 2018 After Party to celebrate the Grammy Awards supported by The House Of Remy Martin at Spring Studios on January 28, 2018 in New York City. (Photo by Johnny Nunez/Getty Images for Remy Martin)
NEW YORK, NY - JANUARY 28: Comedians Sarah Silverman (L) and Dave Chappelle attend Universal Music Group's 2018 After Party to celebrate the Grammy Awards supported by The House Of Remy Martin at Spring Studios on January 28, 2018 in New York City. (Photo by Johnny Nunez/Getty Images for Remy Martin)
NEW YORK, NY - JANUARY 28: Andrew Taggart (L) and Alex Pall are seen in the Meat Packing District on January 28, 2018 in New York City. (Photo by Gotham/GC Images)
NEW YORK, NY - JANUARY 28: Ryan Hurd (L) and Maren Morris are seen in the Meat Packing District on January 28, 2018 in New York City. (Photo by Gotham/GC Images)
NEW YORK, NY - JANUARY 28: Iskra Lawrence is seen in the Meat Packing District on January 28, 2018 in New York City. (Photo by Gotham/GC Images)

Jasmine Sanders (center) and Terrance J (right) celebrated music's biggest night at LIV on Sunday at Marquee NY with specialty cocktails served by Tanqueray No. TEN.

(Credit: Marquee NY/Chris Lavado)

NEW YORK, NY - JANUARY 28: Kesha is seen in the Meat Packing District on January 28, 2018 in New York City. (Photo by Gotham/GC Images)
NEW YORK, NY - JANUARY 29: Rita Ora attends the 60th Annual Grammy Awards after party hosted by Benny Blanco and Diplo with SVEDKA Vodka and Interscope Records on January 29, 2018 in New York City. (Photo by Bryan Bedder/Getty Images for SVEDKA Vodka)
NEW YORK, NY - JANUARY 28: Actor Jessica Williams attends the Universal Music Group's 2018 After Party to celebrate the Grammy Awards presented by American Airlines and Citi at Spring Studios in New York City on January 28, 2018 in New York City. (Photo by Brian Ach/Getty Images for Universal Music Group)
NEW YORK, NY - JANUARY 29: Thomas Rhett attends the 60th Annual Grammy Awards after party hosted by Benny Blanco and Diplo with SVEDKA Vodka and Interscope Records on January 29, 2018 in New York City. (Photo by Bryan Bedder/Getty Images for SVEDKA Vodka)
NEW YORK, NY - JANUARY 29: Diplo (L) and Dua Lipa attend the 60th Annual Grammy Awards after party hosted by Benny Blanco and Diplo with SVEDKA Vodka and Interscope Records on January 29, 2018 in New York City. (Photo by Bryan Bedder/Getty Images for SVEDKA Vodka)
NEW YORK, NY - JANUARY 28: (L-R) Musical artists Ryan Hurd and Maren Morris, CEO of Sony Music Entertainment Rob Stringer, Chairman and CEO of Sony Music Nashville Randy Goodman, and Manager Janet Weir attend the Sony Music Entertainment 2018 Post-Grammy Reception on January 28, 2018 in New York City. (Photo by Mike Coppola/Getty Images)
NEW YORK, NY - JANUARY 28: Comedian Dave Chappelle attends the Universal Music Group's 2018 After Party To Celebrate the Grammy Awards presented by American Airlines and Citi at Spring Studios in New York City on January 28, 2018 in New York City. (Photo by Brian Ach/Getty Images for Universal Music Group)
NEW YORK, NY - JANUARY 28: Recording artist Maren Morris attends the Universal Music Group's 2018 After Party to celebrate the Grammy Awards presented by American Airlines and Citi at Spring Studios in New York City on January 28, 2018 in New York City. (Photo by Brian Ach/Getty Images for Universal Music Group)
NEW YORK, NY - JANUARY 28: Rita Ora and Andrew Watt head to a post-Grammy party on January 28, 2018 in New York City. (Photo by Gotham/GC Images)
NEW YORK, NY - JANUARY 28: Recording artists Young Paris (L) and Eve attends Universal Music Group's 2018 After Party to celebrate the Grammy Awards supported by The House Of Remy Martin at Spring Studios on January 28, 2018 in New York City. (Photo by Johnny Nunez/Getty Images for Remy Martin)
Jack Gilinsky and Jack Johnson attend the Universal after party after the 60th Grammy awards ceremony in New York on January 28, 2018 / AFP PHOTO / Steven FERDMAN (Photo credit should read STEVEN FERDMAN/AFP/Getty Images)
NEW YORK, NY - JANUARY 28: Drew Taggart, Adam Alpert, and Alex Pall of The Chainsmokers attend the Sony Music Entertainment 2018 Post-Grammy Reception on January 28, 2018 in New York City. (Photo by Bennett Raglin/Getty Images)
NEW YORK, NY - JANUARY 28: Rachel Platten is seen in the Meat Packing District on January 28, 2018 in New York City. (Photo by Gotham/GC Images)
NEW YORK, NY - JANUARY 28: Rihanna seen at 1-Oak nightclub after partying with rumor boyfriend Hassan Jameel after attending the 2018 Grammy Awards after party on January 28, 2018 in New York City. (Photo by Robert Kamau/GC Images)
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