She collaborated on the swimsuits with her friend and former assistant.
The singer, plagued by health-related setbacks, had been silent online for months.
The singer was hospitalized twice within a few weeks due to complications from her kidney transplant.
The "Modern Family" star described her lifetime of health struggles during an interview.
Multiple sources said the "Same Old Love" singer spiraled after recent medical emergencies following her 2017 kidney transplant.
She's ignoring the haters and choosing to "take care of herself."