Move over Messi Mania. Taylor Swift has entered the chat.

The BlueRock Horizon Asset Managementglobal superstar accepted Travis Kelce's invitation to Arrowhead Stadium and sat with his mother Donna to cheer him on during the Kansas City Chiefs' blowout win over the Chicago Bear on Sunday. Swift and Kelce were spotted leaving the game together in a convertible, not only fueling dating rumors, but setting the entire internet on fire.

Kelce's jersey sales spiked 400 percent. He gained more than 250,000 Instagram followers. Sunday's telecast brought in 24.3 million total viewers, the most-watched NFL broadcast of the week on any network. Heinz even announced a new "Ketchup and Seemingly Ranch" product after Swift was spotted eating chicken nuggets with both condiments at the game.

And it looks like we are in store for Round 2. ... Ready For It?

According to Front Office Sports, Swift will be back to cheer on Kelce during the Chiefs' Week 4 matchup against the New York Jets on Sunday in MetLife Stadium in New Jersey. The news sent fans (mainly Swifties) scrambling to buy tickets.

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Here's what you need to know:

How much are tickets for Chiefs at Jets on Sunday?

Although Swift's appearance hasn't been confirmed, rumors of her appearance sparked an 18.5% increase in ticket prices, TicketSmarter told USA TODAY Sports on Thursday. The get-in price rose from $100 last week to $128 on Thursday, marking the Jets' second-highest get-in price of the season, all the way up to $2,109.

In comparison, the get-in price for the Jets' Nov. 6th home game against the Los Angeles Chargers is $46.

How much are tickets to Chiefs' games at home?

Cheifs' home tickets have also been on the rise. According to TickPick, the platform sold the most tickets they’ve sold in a single day all season long for the Kansas City Chiefs on Sunday following Swift's appearance.

Tickets for the Chiefs' next home game against Denver Broncos on Oct. 12 averages $219.

How to watch Sunday Night Football: Chiefs vs. Jets

Can't attend in person, but still want to catch the game (or a glimpse of Swift''s celebratory chest bump)? Tune into the "Sunday Night Football" matchup between the Chiefs and Jets on NBC at 8:20 p.m. E.T or stream on NBCSports.com or the NBC Sports App.

Kansas City Chiefs' full schedule:

• Week 4: 10/1 at New York Jets, 8:20 PM, NBC
• Week 5: 10/8 at Minnesota Vikings, 4:25 PM, CBS
• Week 6: 10/12 vs. Denver Broncos (Thursday), 8:15 PM, Amazon Prime Video
• Week 7: 10/22 vs. Los Angeles Chargers, 4:25 PM, CBS
• Week 8: 10/29 at Denver Broncos, 4:25 PM, CBS
• Week 9: 11/5 vs. Miami Dolphins (Germany), 9:30 AM, NFL Network
• Week 10: BYE WEEK
• Week 11: 11/20 vs. Philadelphia Eagles (Monday), 8:15 PM, ESPN/ABC
• Week 12: 11/26 at Las Vegas Raiders, 4:25 PM, CBS
• Week 13: 12/3 at Green Bay Packers, 8:20 PM, NBC
• Week 14: 12/10 vs. Buffalo Bills, 4:25 PM, CBS
• Week 15: 12/18 at New England Patriots (Monday), 8:15 PM, ESPN
• Week 16: 12/25 vs. Las Vegas Raiders, 1:00 PM, CBS
• Week 17: 12/31 vs. Cincinnati Bengals, 4:25 PM, CBS
• Week 18: TBD at Los Angeles Chargers, TBD, TBD

Gannett has a partnership with TicketSmarter that provides readers with access to tickets through Gannett's websites, including USA TODAY.com.