The Bachelor star Colton Underwood may have just spoiled the end of his season.

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Colton, who will be shown enjoying his round of overnight Fantasy Suite dates on the next episode airing on Monday night, may have just dropped a huge hint about the bachelorette he chose on Season 23.

[Bachelor Spoilers Warning:  Please stop reading immediately if you don't want to know who Colton appears to have picked as his final winner.]

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Colton, 27, was spotted leaving a gym in Altadena, CA, with musician Jake Miller and actor Gregg Sulkin on Thursday, according to Entertainment Tonight.

Fans of The Bachelor frontrunner Cassie Randolph are well aware 26-year-old Gregg -- who is known for his roles on Wizards of Waverly Place, Faking It and Runaways -- is dating Cassie's younger sister, Michelle Randolph.

Colton's friendship or association with Gregg would seem to indicate the charity founder and former professional football player selected Cassie at the conclusion of his journey to find love and has since befriended some of her loved ones.

Colton and Gregg's relationship also appears to give away Colton and Cassie are still together and dating or engaged.

Michelle, 21, and Gregg reportedly went public with their romance in October 2018.

Michelle was featured during the February 25 episode of The Bachelor when Cassie brought Colton home to Huntington Beach, CA, to meet her family.

It quickly became apparent Michelle and Cassie are extremely close, as Michelle was shown telling her sister she's "perfect" and deserves the absolute best from a man.

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Michelle advised her sister to never settle and rush into something she's not ready for.

Colton's The Bachelor journey still has a couple of weeks to go, but the photographs of his gym session with Gregg have fans buzzing the season is already over for them.

Colton has seemingly pulled a Kaitlyn Bristowe, as The Bachelorette's eleventh-season star accidentally posted a photo of herself with winner Shawn Booth on Snapchat ahead of her finale airdate in 2015.

The photo of the couple cuddling in bed together proved Kaitlyn had given Shawn her final rose and they were still an item.

The two-night finale of Colton's The Bachelor edition is scheduled to air on Monday, March 11 and Tuesday, March 12 at 8PM ET/PT on ABC.

To read spoilers on how Colton's season allegedly ended and whether Colton did, in fact, give Cassie his final rose, click here.

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