Christian McCaffrey still awaits a Super Bowl ring, but he will be donning a much more important one soon.

The San Francisco 49ers running back and longtime girlfriend Olivia Culpo got engaged earlier this week, the two announced on Instagram.

The couple collaborated on a post with the caption "4.2.23" sandwiched by two infinity emoji.

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BEVERLY HILLS, CALIFORNIA - MARCH 27: Christian McCaffrey and Olivia Culpo attend the 2022 Vanity Fair Oscar Party Hosted by Radhika Jones at Wallis Annenberg Center for the Performing Arts on March 27, 2022 in Beverly Hills, California. (Photo by Daniele Venturelli/WireImage)

BEVERLY HILLS, CALIFORNIA - MARCH 27: Christian McCaffrey and Olivia Culpo attend the 2022 Vanity Fair Oscar Party Hosted by Radhika Jones at Wallis Annenberg Center for the Performing Arts on March 27, 2022 in Beverly Hills, California. (Photo by Daniele Venturelli/WireImage) (Getty Images)

McCaffrey, 26, and Culpo, 30, were introduced to one another in June 2019. The reality star previously dated Nick Jonas for a couple of years.

The running back just wrapped up an eventful sixth NFL season. He was traded midseason from the Carolina Panthers to the San Francisco 49ers, who reached the NFC championship.

The Niners lost to the Philadelphia Eagles, who then fell to the Kansas City Chiefs in the Super Bowl.

Christian McCaffrey runs

Christian McCaffrey of the San Francisco 49ers carries the ball against the Dallas Cowboys during the first quarter in an NFC divisional playoff game at Levi's Stadium Jan. 22, 2023, in Santa Clara, Calif.  (Thearon W. Henderson/Getty Images)

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After playing in just 10 games total the previous two seasons, McCaffrey suited up for all 17 this season, earning him second place in the Comeback Player of the Year voting.

He made his second Pro Bowl last season after rushing for 1,139 yards and scoring 13 total touchdowns.

Christian McCaffrey and Olivia Culpo on the red carpet.

Carolina Panthers running back Christian McCaffrey and Olivia Culpo pose on the red carpet prior to the NFL Honors Feb. 1, 2020, at the Adrienne Arsht Center in Miami, Fla.    (Rich Graessle/PPI/Icon Sportswire via Getty Images)

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McCaffrey and Culpo both posted on Instagram over the last couple of days about a recent "road trip," and many commented it was about time the NFL star proposed.