grin broadly
grin widely

By the time she came around again, Paul was grinning broadly at her.

He lowered his hand, took a step forward, and grinned broadly.

The child, who did not understand a word, grinned broadly.

"I didn't think life could get any better," he said, grinning broadly and taking her in his arms.

He looked like a normal man and was grinning broadly.

Two of the other men at the table nodded and grinned broadly.

Nevertheless, he grinned broadly at the company and began to speak.

They were all grinning broadly and looking very pleased with themselves.

Meeting her eyes now, he stood his ground and grinned broadly.

He grinned broadly, watching to see if she believed him.