Taylor Swift and her boyfriend, Travis Kelce, have been the poster couple for celeb-studded date nights, high-profile outings, and glam jet-setting and rumors are swirling that he may take their romance to the next level. An insider told RadarOnline.com the couple is showing no signs of slowing down either as Swift prepares to enter a new era — one that involves settling down. “Taylor is head over heels in love with Travis,” said the tipster. “She doesn’t want to waste more time, so she needs to make sure they’re on the same page about getting married.” Insiders said the pop star has made her …