Go to the girl instead.

"You did a great job, but I need to go take care of something else now, okay?" you say, and wink.

Chris doesn't argue. He seems happy regardless, though it might be a few minutes before he can comfortable stand again.

You pull herself up, now shimmering with a light layer of sunscreen on every inch of your body--he was very thorough--and start walking towards the water. You turn and see the excited Chris trying to hide said excitement, but Tamara and Taylor aren't that stupid, and they didn't go far. The damage was already done, however. They had lost the boy they were flirting with, despite you no longer even being there.

The girl looks surprised at your sudden appearance. She looks to your chest first, but desperately tries to hide this fact.

"Hello there," you speak first.

"Hi. Um. What can I do for you?"

"Just provide me with some company I hope. My name is Alice."

She starts to look nervous, and brings a hand through her hair, down over her ear. "Gilly. Y-You're pretty," she says with an awkward laugh.

Before you can reply, she adds, "Pretty popular, I mean."

"Maybe," you reply. "Not completely. Those two girls with me actually bully me all the time."

"Bully you?"

You see a loose hair hanging down over her face, so you reach out and gently correct it back over her head. Her face flushes red in response. It's very obvious she can't even take her eyes off you, even while struggling to maintain eye contact.

"You have a cute swimsuit," you say.

"Oh it's nothing... not like yours."

"This old thing?" You tug at the strings of your top, causing your breasts to bounce up and down within the tiny piece of fabric. With them thoroughly coated by a layer of cream, it's a miracle they don't just pop right out, and the girl you're speaking with is likely thinking the same.

She fidgets in place. "I should go..."

"Go swimming with me?"

"That does sound nice."

"Then let's get into the water and cool down, hm?" You wink. "We can make our way over to those rocks."