EXCLUSIVE: 'Bachelor' Star Becca Tilley Gushes Over Boyfriend Robert Graham While JoJo Fletcher Shares Update

The 'Bachelor'-nation alums opened up to ET about their budding relationships upcoming marriage preparations at 102.7 KIIS-FM's Jingle Ball.

alums JoJo Fletcher and Becca Tilley hit up 102.7 KIIS-FM's Jingle Ball concert at the Staples Center in Los Angeles on Friday, where the two friends served as each other's dates while their boyfriends were away.

However, that didn't keep Tilley from not only confirming her relationship with fellow Bachelor alum Robert Graham but gushing over hew new beau as well, telling ET's Katie Krause, "He's amazing."

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The 28-year-old reality star has long been rumored to be in a relationship with Graham, who frequently appears in her Instagram pics, but Tilley says their relationship didn't spring up overnight.

"We've been friends for a long time so it just progressed naturally," she explained. "There was an 'ah-ha!' moment, but it was kind of like it had just been there and then, it just was like, 'What am I doing?'"

"I'm really stepping out of my shell," she added. "I didn't have to go on a reality show to meet someone."

And luckily, Graham also gets Fletcher's seal of approval. "He's a good guy," the engaged reality star told ET.

WATCH: JoJo Fletcher and Jordan Rodgers Party With Her Family in Dallas -- See the Sweet Pics!

As for the former Bachelorette, she's getting ready for her wedding to Jordan Rodgers, but she's making sure to take her time and have fun along the way.

"We talk about it all the time," Fletcher, 26, shared. "We have all these ideas. I work on my Pinterest board, but we haven't set anything. We're having fun!"

"We're just enjoying it right now. Like, no pressure, no stress," she added. "But we're definitely actively talking about what we would want and where."

WATCH: JoJo Fletcher and Jordan Rodgers Celebrate His 28th Birthday With Early Morning Hike

As for whether or not the wedding will be televised, Fletcher says they don't know yet, but they haven't "ruled anything out."

"I think just whenever we get to that point where we're ready to do it, we'll just see where life is at and we'll just play it by ear," she explained.

For more on Fletcher and Rodger's post-Bachelorette relationship, check out the video below.