She's so in love that she can't stop smiling all day.
After tasting the strawberry junket, he couldn't stop smiling.
Everytime I have a new follower I can't stop smiling.
Seriously, it's like she can't stop smiling.
En serio, es como si no pudiera para de sonreír.
He gets high on praise and can't stop smiling for hours afterward.
Él se embriaga con los halagos y no deja de sonreír durante horas.
With the promotion confirmed, he was soaring high and couldn't stop smiling.
Con el ascenso confirmado, estaba por las nubes y no podía dejar de sonreír.
The goldilocks couldn't stop smiling as she danced at the festival.
La cabellera dorada no podía dejar de sonreír mientras bailaba en el festival.
During the performance, he was seized with joy and couldn't stop smiling.
Durante la actuación, se sintió embargado de alegría y no pudo dejar de sonreír.
The performance had so many kicks, I couldn't stop smiling.
La actuación tenía tantos momentos graciosos que no pude dejar de sonreír.
His happiness was in evidence as he couldn't stop smiling at the party.
Su felicidad saltaba a la vista, pues no podía dejar de sonreír en la fiesta.
By the second date, she was head over ears and couldn't stop smiling.
Para la segunda cita, ya estaba locamente enamorada y no podía dejar de sonreír.
Her excitement about the promotion stands out a mile; she can't stop smiling.
Su entusiasmo por el ascenso se nota a la legua; no puede dejar de sonreír.
He's still on a high from the concert; he can't stop smiling.
Sigue en una nube por el concierto; no puede dejar de sonreír.