The Star

You have made a deal with a celebrity, who's rapidly inflating ego drove them to rise to a deific status. 

The Power of Music

As part of your deal, you have been granted musical talent, you gain proficiency in 1 instrument of your choosing, and you can use your instrument to fulfill the material component of a spell, up to a value of your charisma score times your proficiency bonus times five.

Your pact with the Star allows you to learn spells normally associated with the bard class. When your Spellcasting feature lets you learn a sorcerer cantrip or a sorcerer spell of 1st level or higher, you can choose the new spell from the bard spell list or the sorcerer spell list. You must otherwise obey all the restrictions for selecting the spell, and it becomes a sorcerer spell for you.

Persuasive Performance

As an action, you can concentrate on spending a minute preforming, a number of creatures, of your choosing, up to your Charisma modifier, which can hear you within 60 feet must make a wisdom saving throw against your Spell Save DC. On a failed save the creature is charmed by you for 1 minute or until you stop preforming.

You may use this feature a number of times equal to your proficiency bonus

March To Your Own Rhythm

You march to your own rhythm, and can "infect" that onto others

As a reaction to being targeted by an attack or spell, you can make the attacker make a wisdom saving throw against your Spell Save DC, on a failed save, the creature must choose a new target within range, even if that means attacking themselves.

Once you use this feature, you may not use it again until you finish a short or long rest.

Love Me, Love Me, Love Me

You've become more than just persuasive, you can force people to do things. 

As an action, you may preform a song, all those in a 60 foot radius who hear the song must make a wisdom save against your spell save DC. on a failed save, the creature is placed under the effects of the Dominate Person spell,  this effect lasts for 1 month. you can only have a number of dominated persons equal to your proficiency bonus.

After you use this feature, you may not use it again until you finish a long rest