Amanda Bynes is looking happy and healthy these days -- right down to her beach bod!

The actress just shared some photos from her spring break trip to Cabo, flaunting her impressive bikini bod and looking happier than ever doing it.

"Thank you everyone for all the birthday wishes," she posted with one of the photos. Bynes turned 28 on Thursday.

Bynes recently underwent psychiatric treatment for schizophrenia and bipolar disorder -- and, according to TMZ,doctors told her daily exercise was an important part of regaining balance and calm.

Amanda has also been enrolled at Fashion Institute of Design and Merchandising and recently shared photos from her debut runway show.

Glad to see her looking and feeling better -- keep up the good work!

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