During her appearance on The X Factor UK, Lady Gaga presented Sharon Osbourne with a cake to celebrate Kelly Osbourne’s 29th birthday.

It was a nice gesture following a feud that started in 2009 when Kelly referred to Gaga as a “butterface.”

No, I don’t know how Kelly Osbourne of all people could fix her mouth to talk about someone else’s looks considering what she used to look like, but whatever. The beef spilled over to Mama Osbourne after she deemed Gaga a hypocrite on CBS’ The Talk.

You would think this peace offering would dead this pointless bickering, but alas, Kelly is still mad.

She tweeted:

Gaga shot back:

Kelly kept going:

Ultimately Gaga said:

Kelly Osbourne: Shut up. Stefani Joanne won. Get over it and your insecurities, sis.