Complex sentence: She has over 230,000 subscribers and her channel has been viewed 6 million times, her videos having amassed over 85 million views the most popular being a cover of Umbrella by Rihanna which has gained over 15 million views.
Split into simpler sentences: She has over 230,000 subscribers and her channel has been viewed 6 million times. Her videos have amassed over 85 million views, the most popular being a cover of Umbrella by Rihanna, which has gained over 15 million views.