Perfect Lover (track)
by Britney Spears
Perfect Lover appears on the following album(s) by Britney Spears:
- Blackout (track #11) (this album) (2007)
Listen to Perfect Lover on YouTube
Perfect Lover ratings
Average Rating = (n ÷ (n + m)) × av + (m ÷ (n + m)) × AVwhere:
av = trimmed mean average rating an item has currently received.
n = number of ratings an item has currently received.
m = minimum number of ratings required for an item to appear in a 'top-rated' chart (currently 10).
AV = the site mean average rating.
Showing latest 5 ratings for this track. | Show all 34 ratings for this track.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
| ! | 05/19/2026 13:00 |  Perring | 6,192 | 80/100 |
| ! | 04/22/2026 02:35 | Exist-en-ciel | 160,582 | 71/100 |
| ! | 12/30/2025 22:16 | jtrizzle35 | 9,260 | 80/100 |
| ! | 09/17/2025 16:27 |  nitomano | 27,023 | 73/100 |
| ! | 08/11/2025 14:24 |  Igtonumama | 31,383 | 81/100 |
Rating metrics:
Outliers can be removed when calculating a mean average to dampen the effects of ratings outside the normal distribution. This figure is provided as the trimmed mean. A high standard deviation can be legitimate, but can sometimes indicate 'gaming' is occurring. Consider a simplified example* of an item receiving ratings of 100, 50, & 0. The mean average rating would be 50. However, ratings of 55, 50 & 45 could also result in the same average. The second average might be more trusted because there is more consensus around a particular rating (a lower deviation).
(*In practice, some tracks can have several thousand ratings)
This track has a Bayesian average rating of 65.8/100, a mean average of 62.8/100, and a trimmed mean (excluding outliers) of 62.8/100. The standard deviation for this track is 28.7.
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