Selena Gomez. Picture: Instagram

In case you were wondering, Selena Gomez is unfazed by the announcement of her on and off ex-boyfriend Justin Bieber's engagement to model Hailey Baldwin.

According to Entertainment Tonight, the 'Back To You' hitmaker isn't letting news of the engagement affect the great place she's currently in, despite their on and off again relationship since 2010 to as recent as April this year.

News of Bieber and Baldwin's engagement broke over the weekend after TMZ reported that the 24-year-old 'Sorry' hitmaker proposed to the 22-year-old model at a resort in the Bahamas on Saturday night. 

And while Bieber and Baldwin's upcoming nuptials trended on social media, Gomez was soaking up the sun on a boat cruise in New York with her friends on Sunday. 

The singer smiled while rocking a bikini in a photo and videos posted by her pals on social media, getting some sun while lounging on a chair.

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A close source told ET: “She does not care at all...“ What they do with their lives does not impact her. Selena is in such a great place and is surrounding herself with good positive people, and Justin and Hailey’s happiness doesn’t take away from her own happiness.”

Watch 5 things we know about Justin Bieber's fiancée Hailey Baldwin below.