Lovestruck

[Rihanna]

Like struck with a lightening bolt. The second that you see and meet the person, you are instantly in love. Head over heels, cant stop thinking about them, want to be with them, hold them hug them,

[Sonia]

(adj.)
Struck with an intensity of [love].
Struck so hard, that you cant bear to be without your other half.
You cant keep your mind off of him/her. And without them, youll die.

[Raeanne Dimick]

In love bad and suddenly.

[PussyCat]

Taken in love by a person or thing.

[Couch Potatoe]

Experiencing intense feelings of romantic love for someone; besotted or infatuated.